net income in 2020 decreased to $ 356 million from $ 409 million in 2019. diluted earnings per share from continuing operations were $ 9.26 per share in 2020 compared to $ 10.38 per share in 2019. we generated $ 612 million of cash flow from operating activities in 2020 compared to $ 396 million in 2019. the 18 increase was primarily due to a decrease in working capital . in 2020 , we returned $ 118 million to shareholders through dividend payments and we used $ 100 million to purchase 0.4 million shares of stock under our share repurchase plans . overview of results results for the year were mixed and adversely impacted by the economic downturn caused by the covid-19 pandemic . the residential heating & cooling segment performed well in 2020 , with a 3 % increase in net sales and a $ 36 million decrease in segment profit compared to 2019 primarily due to the insurance proceeds received for lost profits in 2019. our commercial heating & cooling segment saw a decrease in net sales of 15 % and a $ 29 million decrease in segment profit compared to 2019 primarily due to lower sales volumes . sales in our refrigeration segment decreased 17 % and segment profit decreased $ 29 million compared to 2019 primarily due to lower sales volume and the loss of sales volume from our divested kysor warren business . results of operations the following table provides a summary of our financial results , including information presented as a percentage of net sales ( dollars in millions ) : replace_table_token_3_th year ended december 31 , 2020 compared to year ended december 31 , 2019 - consolidated results net sales net sales decreased 5 % in 2020 compared to 2019 , driven by lower sales volumes of 5 % and a 1 % decline related to the sale of our kysor warren business in the first quarter of 2019 , partially offset by improved combined price and mix of 1 % . the decrease in sales volume was primarily due to the impact of the covid-19 pandemic on our commercial and refrigeration segments . gross profit gross profit margins for 2020 increased 20 basis points ( “ bps ” ) to 28.6 % compared to 28.4 % in 2019. we saw margin increases of 90 bps from engineering and sourcing led cost reductions , 70 bps from lower commodity costs , and 20 bps from lower freight and distribution costs . these were partially offset by 120 bps from unfavorable combined price and mix , 30 bps from higher product warranties , and 10 bps from other product costs . 19 selling , general and administrative expenses sg & a expenses decreased by $ 30 million in 2020 compared to 2019. as a percentage of net sales , sg & a expenses decreased 10 bps from 15.4 % to 15.3 % in the same periods primarily due to lower discretionary expenditures . losses ( gains ) and other expenses , net losses ( gains ) and other expenses , net for 2020 and 2019 included the following ( in millions ) : replace_table_token_4_th the charges incurred related to the covid-19 pandemic related primarily to facility cleaning costs and sanitization supplies to ensure the health and safety of our employees . the net change in unrealized losses on unsettled futures contracts was due to changes in commodity prices relative to the unsettled futures contract prices . for more information on our derivatives , see note 10 in the notes to the consolidated financial statements . foreign currency exchange gains increased in 2020 primarily due to strengthening in foreign exchange rates in our primary markets . the special legal contingency charges in 2020 relate to outstanding legal settlements . the asbestos-related litigation relates to known and estimated future asbestos matters . the environmental liabilities relate to estimated remediation costs for contamination at some of our facilities . refer to note 5 in the notes to the consolidated financial statements for more information on litigation , including the asbestos-related litigation , and the environmental liabilities . restructuring charges restructuring charges were $ 10.8 million in 2020 compared to $ 10.3 million in 2019. the charges in 2020 related primarily to several cost reduction actions taken in response to the economic impact of the covid-19 pandemic on our business . these actions consisted of employee terminations for positions that were no longer needed to support the business , selective facility closures , and cancellations of certain sales and marketing activities . for more information on our restructuring activities , see note 8 in the notes to the consolidated financial statements . goodwill we performed a qualitative impairment analysis and noted no indicators of goodwill impairment for the year ended december 31 , 2020. we did not record any goodwill impairments in 2019 or 2020. refer to note 10 in the notes to the consolidated financial statements for more information on goodwill . asset impairments we did not have any impairments of assets related to continuing operations in 2020 or 2019 . 20 pension settlement in the second and fourth quarters of 2019 , we entered into agreements to purchase group annuity contracts and transfer certain pension assets and related pension benefit obligations to pacific life insurance company . we recognized $ 99.2 million of pension settlement charges related to these transactions . we did not have significant pension buyout activity in 2020. refer to note 11 in the notes to the consolidated financial statements for more information on pensions and employee benefit plans . income from equity method investments investments over which we do not exercise control but have significant influence are accounted for using the equity method of accounting . income from equity method investments was $ 16 million in 2020 compared to $ 13 million in 2019. the increase is due to improved operating performance at the joint ventures . story_separator_special_tag the following combined parent and guarantor subsidiaries financial information is presented as of and for the years ended december 31 , 2020 and 2019 ( in millions ) : replace_table_token_14_th replace_table_token_15_th off balance sheet arrangements an off-balance sheet arrangement is any transaction , agreement or other contractual arrangement involving an unconsolidated entity under which the company has : ( 1 ) made guarantees , ( 2 ) a retained or a contingent interest in transferred assets , ( 3 ) an obligation under derivative instruments classified as equity or ( 4 ) any obligation arising out of a material variable interest in an unconsolidated entity that provides financing , liquidity , market risk or credit risk support to us , or that engages in leasing , hedging or research and development arrangements with us . we have no off-balance sheet arrangements that we believe may have a material current or future effect on our financial condition , liquidity or results of operations . 29 contractual obligations summarized below are our contractual obligations as of december 31 , 2020 and their expected impact on our liquidity and cash flows in future periods ( in millions ) : replace_table_token_16_th ( 1 ) contractual obligations related to finance leases are included as part of long-term debt . see note 14 for more information related to our long-term debt . ( 2 ) estimated interest payments are based on current contractual requirements and do not reflect seasonal changes in the balance of our domestic credit facility . ( 3 ) purchase obligations consist of inventory that is part of our third party logistics programs . the table above does not include pension , post-retirement benefit and warranty liabilities because it is not certain when these liabilities will be funded . for additional information regarding our contractual obligations , see note 5 of the notes to the consolidated financial statements . see note 11 of the notes to the consolidated financial statements for more information on our pension and post-retirement benefits obligations . fair value measurements fair value is the price that would be received to sell an asset or the price paid to transfer a liability in an orderly transaction between market participants at the measurement date . fair value is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date and requires consideration of our creditworthiness when valuing certain liabilities . our framework for measuring fair value is based on a three-level hierarchy for fair value measurements . the three-level fair value hierarchy for disclosure of fair value measurements is defined as follows : level 1 -quoted prices for identical instruments in active markets at the measurement date . level 2 - quoted prices for similar instruments in active markets ; quoted prices for identical or similar instruments in markets that are not active ; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets at the measurement date and for the anticipated term of the instrument . level 3 -valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable inputs that reflect the reporting entity 's own assumptions about the assumptions market participants would use in pricing the asset or liability developed based on the best information available in the circumstances . where available , the fair values were based upon quoted prices in active markets . however , if quoted prices were not available , then the fair values were based upon quoted prices for similar assets or liabilities or independently sourced market parameters , such as credit default swap spreads , yield curves , reported trades , broker/dealer quotes , interest rates and benchmark securities . for assets and liabilities without observable market activity , if any , the fair values were based upon discounted cash flow methodologies incorporating assumptions that , in our judgment , reflect the assumptions a marketplace participant would use . valuation adjustments to reflect either party 's creditworthiness and ability to pay were incorporated into our valuations , where appropriate , as of december 31 , 2020 and 2019 , the measurement dates . see note 17 of the notes to the consolidated financial statements for more information on the assets and liabilities measured at fair value . 30 market risk commodity price risk we enter into commodity futures contracts to stabilize prices expected to be paid for raw materials and parts containing high copper and aluminum content . these contracts are for quantities equal to or less than quantities expected to be consumed in future production . fluctuations in metal commodity prices impact the value of the futures contracts that we hold . when metal commodity prices rise , the fair value of our futures contracts increases . conversely , when commodity prices fall , the fair value of our futures contracts decreases . information about our exposure to metal commodity price market risks and a sensitivity analysis related to our metal commodity hedges is presented below ( in millions ) : replace_table_token_17_th refer to note 10 of the notes to the consolidated financial statements for additional information regarding our commodity futures contracts . interest rate risk our results of operations can be affected by changes in interest rates due to variable rates of interest on our debt facilities , cash , cash equivalents and short-term investments . a 10 % adverse movement in the levels of interest rates across the entire yield curve would have resulted in an increase to pre-tax interest expense of approximately $ 1.3 million , $ 3.9 million and $ 2.7 million for the years ended december 31 , 2020 , 2019 and 2018 , respectively . from time to time , we may use an interest rate swap hedging strategy to eliminate the variability of cash flows in a portion of our interest payments . this strategy , when employed , allows us to

liquidity and capital resources our working capital and capital expenditure requirements are generally met through internally generated funds , bank lines of credit and an asset securitization arrangement . working capital needs are generally greater in the first and second quarters due to the seasonal nature of our business cycle . statement of cash flows the following table summarizes our cash flow activity for the years ended december 31 , 2020 , 2019 and 2018 ( in millions ) : replace_table_token_12_th net cash provided by operating activities - net cash provided by operating activities increased $ 216 million to $ 612 million in 2020 compared to $ 396 million in 2019. the increase was primarily attributable to a decrease in working capital partially offset by a decrease in net income . net cash ( used in ) provided by investing activities - the net change in investing activities of $ 96 million were attributable to absence of cash inflows from insurance proceeds of $ 80 million to fund capital expenditures for the reconstruction of our marshalltown facility and $ 44 million of proceeds for the sales of our kysor warren business in 2019. capital expenditures were $ 79 million , $ 106 million and $ 95 million in 2020 , 2019 and 2018 , respectively . capital expenditures in 2020 were primarily related to the expansion of our manufacturing capacity and equipment and investments in systems and software to support the overall enterprise . net cash used in financing activities - net cash used in financing activities increased to $ 442 million in 2020 from $ 423 million in 2019. the increase is due to a decrease in borrowings and an increase in payments on our debt facilities , partially offset by lower share repurchases in 2020. during 2020 we repurchased $ 100 million of shares compared to $ 400 million of shares in 2019. we also returned $ 118 million to shareholders through dividend payments in 2020. for additional information on share repurchases , refer to note 6 in the notes to the consolidated financial statements .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```liquidity and capital resources our working capital and capital expenditure requirements are generally met through internally generated funds , bank lines of credit and an asset securitization arrangement . working capital needs are generally greater in the first and second quarters due to the seasonal nature of our business cycle . statement of cash flows the following table summarizes our cash flow activity for the years ended december 31 , 2020 , 2019 and 2018 ( in millions ) : replace_table_token_12_th net cash provided by operating activities - net cash provided by operating activities increased $ 216 million to $ 612 million in 2020 compared to $ 396 million in 2019. the increase was primarily attributable to a decrease in working capital partially offset by a decrease in net income . net cash ( used in ) provided by investing activities - the net change in investing activities of $ 96 million were attributable to absence of cash inflows from insurance proceeds of $ 80 million to fund capital expenditures for the reconstruction of our marshalltown facility and $ 44 million of proceeds for the sales of our kysor warren business in 2019. capital expenditures were $ 79 million , $ 106 million and $ 95 million in 2020 , 2019 and 2018 , respectively . capital expenditures in 2020 were primarily related to the expansion of our manufacturing capacity and equipment and investments in systems and software to support the overall enterprise . net cash used in financing activities - net cash used in financing activities increased to $ 442 million in 2020 from $ 423 million in 2019. the increase is due to a decrease in borrowings and an increase in payments on our debt facilities , partially offset by lower share repurchases in 2020. during 2020 we repurchased $ 100 million of shares compared to $ 400 million of shares in 2019. we also returned $ 118 million to shareholders through dividend payments in 2020. for additional information on share repurchases , refer to note 6 in the notes to the consolidated financial statements .
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 Suspicious Activity Report : net income in 2020 decreased to $ 356 million from $ 409 million in 2019. diluted earnings per share from continuing operations were $ 9.26 per share in 2020 compared to $ 10.38 per share in 2019. we generated $ 612 million of cash flow from operating activities in 2020 compared to $ 396 million in 2019. the 18 increase was primarily due to a decrease in working capital . in 2020 , we returned $ 118 million to shareholders through dividend payments and we used $ 100 million to purchase 0.4 million shares of stock under our share repurchase plans . overview of results results for the year were mixed and adversely impacted by the economic downturn caused by the covid-19 pandemic . the residential heating & cooling segment performed well in 2020 , with a 3 % increase in net sales and a $ 36 million decrease in segment profit compared to 2019 primarily due to the insurance proceeds received for lost profits in 2019. our commercial heating & cooling segment saw a decrease in net sales of 15 % and a $ 29 million decrease in segment profit compared to 2019 primarily due to lower sales volumes . sales in our refrigeration segment decreased 17 % and segment profit decreased $ 29 million compared to 2019 primarily due to lower sales volume and the loss of sales volume from our divested kysor warren business . results of operations the following table provides a summary of our financial results , including information presented as a percentage of net sales ( dollars in millions ) : replace_table_token_3_th year ended december 31 , 2020 compared to year ended december 31 , 2019 - consolidated results net sales net sales decreased 5 % in 2020 compared to 2019 , driven by lower sales volumes of 5 % and a 1 % decline related to the sale of our kysor warren business in the first quarter of 2019 , partially offset by improved combined price and mix of 1 % . the decrease in sales volume was primarily due to the impact of the covid-19 pandemic on our commercial and refrigeration segments . gross profit gross profit margins for 2020 increased 20 basis points ( “ bps ” ) to 28.6 % compared to 28.4 % in 2019. we saw margin increases of 90 bps from engineering and sourcing led cost reductions , 70 bps from lower commodity costs , and 20 bps from lower freight and distribution costs . these were partially offset by 120 bps from unfavorable combined price and mix , 30 bps from higher product warranties , and 10 bps from other product costs . 19 selling , general and administrative expenses sg & a expenses decreased by $ 30 million in 2020 compared to 2019. as a percentage of net sales , sg & a expenses decreased 10 bps from 15.4 % to 15.3 % in the same periods primarily due to lower discretionary expenditures . losses ( gains ) and other expenses , net losses ( gains ) and other expenses , net for 2020 and 2019 included the following ( in millions ) : replace_table_token_4_th the charges incurred related to the covid-19 pandemic related primarily to facility cleaning costs and sanitization supplies to ensure the health and safety of our employees . the net change in unrealized losses on unsettled futures contracts was due to changes in commodity prices relative to the unsettled futures contract prices . for more information on our derivatives , see note 10 in the notes to the consolidated financial statements . foreign currency exchange gains increased in 2020 primarily due to strengthening in foreign exchange rates in our primary markets . the special legal contingency charges in 2020 relate to outstanding legal settlements . the asbestos-related litigation relates to known and estimated future asbestos matters . the environmental liabilities relate to estimated remediation costs for contamination at some of our facilities . refer to note 5 in the notes to the consolidated financial statements for more information on litigation , including the asbestos-related litigation , and the environmental liabilities . restructuring charges restructuring charges were $ 10.8 million in 2020 compared to $ 10.3 million in 2019. the charges in 2020 related primarily to several cost reduction actions taken in response to the economic impact of the covid-19 pandemic on our business . these actions consisted of employee terminations for positions that were no longer needed to support the business , selective facility closures , and cancellations of certain sales and marketing activities . for more information on our restructuring activities , see note 8 in the notes to the consolidated financial statements . goodwill we performed a qualitative impairment analysis and noted no indicators of goodwill impairment for the year ended december 31 , 2020. we did not record any goodwill impairments in 2019 or 2020. refer to note 10 in the notes to the consolidated financial statements for more information on goodwill . asset impairments we did not have any impairments of assets related to continuing operations in 2020 or 2019 . 20 pension settlement in the second and fourth quarters of 2019 , we entered into agreements to purchase group annuity contracts and transfer certain pension assets and related pension benefit obligations to pacific life insurance company . we recognized $ 99.2 million of pension settlement charges related to these transactions . we did not have significant pension buyout activity in 2020. refer to note 11 in the notes to the consolidated financial statements for more information on pensions and employee benefit plans . income from equity method investments investments over which we do not exercise control but have significant influence are accounted for using the equity method of accounting . income from equity method investments was $ 16 million in 2020 compared to $ 13 million in 2019. the increase is due to improved operating performance at the joint ventures . story_separator_special_tag the following combined parent and guarantor subsidiaries financial information is presented as of and for the years ended december 31 , 2020 and 2019 ( in millions ) : replace_table_token_14_th replace_table_token_15_th off balance sheet arrangements an off-balance sheet arrangement is any transaction , agreement or other contractual arrangement involving an unconsolidated entity under which the company has : ( 1 ) made guarantees , ( 2 ) a retained or a contingent interest in transferred assets , ( 3 ) an obligation under derivative instruments classified as equity or ( 4 ) any obligation arising out of a material variable interest in an unconsolidated entity that provides financing , liquidity , market risk or credit risk support to us , or that engages in leasing , hedging or research and development arrangements with us . we have no off-balance sheet arrangements that we believe may have a material current or future effect on our financial condition , liquidity or results of operations . 29 contractual obligations summarized below are our contractual obligations as of december 31 , 2020 and their expected impact on our liquidity and cash flows in future periods ( in millions ) : replace_table_token_16_th ( 1 ) contractual obligations related to finance leases are included as part of long-term debt . see note 14 for more information related to our long-term debt . ( 2 ) estimated interest payments are based on current contractual requirements and do not reflect seasonal changes in the balance of our domestic credit facility . ( 3 ) purchase obligations consist of inventory that is part of our third party logistics programs . the table above does not include pension , post-retirement benefit and warranty liabilities because it is not certain when these liabilities will be funded . for additional information regarding our contractual obligations , see note 5 of the notes to the consolidated financial statements . see note 11 of the notes to the consolidated financial statements for more information on our pension and post-retirement benefits obligations . fair value measurements fair value is the price that would be received to sell an asset or the price paid to transfer a liability in an orderly transaction between market participants at the measurement date . fair value is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date and requires consideration of our creditworthiness when valuing certain liabilities . our framework for measuring fair value is based on a three-level hierarchy for fair value measurements . the three-level fair value hierarchy for disclosure of fair value measurements is defined as follows : level 1 -quoted prices for identical instruments in active markets at the measurement date . level 2 - quoted prices for similar instruments in active markets ; quoted prices for identical or similar instruments in markets that are not active ; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets at the measurement date and for the anticipated term of the instrument . level 3 -valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable inputs that reflect the reporting entity 's own assumptions about the assumptions market participants would use in pricing the asset or liability developed based on the best information available in the circumstances . where available , the fair values were based upon quoted prices in active markets . however , if quoted prices were not available , then the fair values were based upon quoted prices for similar assets or liabilities or independently sourced market parameters , such as credit default swap spreads , yield curves , reported trades , broker/dealer quotes , interest rates and benchmark securities . for assets and liabilities without observable market activity , if any , the fair values were based upon discounted cash flow methodologies incorporating assumptions that , in our judgment , reflect the assumptions a marketplace participant would use . valuation adjustments to reflect either party 's creditworthiness and ability to pay were incorporated into our valuations , where appropriate , as of december 31 , 2020 and 2019 , the measurement dates . see note 17 of the notes to the consolidated financial statements for more information on the assets and liabilities measured at fair value . 30 market risk commodity price risk we enter into commodity futures contracts to stabilize prices expected to be paid for raw materials and parts containing high copper and aluminum content . these contracts are for quantities equal to or less than quantities expected to be consumed in future production . fluctuations in metal commodity prices impact the value of the futures contracts that we hold . when metal commodity prices rise , the fair value of our futures contracts increases . conversely , when commodity prices fall , the fair value of our futures contracts decreases . information about our exposure to metal commodity price market risks and a sensitivity analysis related to our metal commodity hedges is presented below ( in millions ) : replace_table_token_17_th refer to note 10 of the notes to the consolidated financial statements for additional information regarding our commodity futures contracts . interest rate risk our results of operations can be affected by changes in interest rates due to variable rates of interest on our debt facilities , cash , cash equivalents and short-term investments . a 10 % adverse movement in the levels of interest rates across the entire yield curve would have resulted in an increase to pre-tax interest expense of approximately $ 1.3 million , $ 3.9 million and $ 2.7 million for the years ended december 31 , 2020 , 2019 and 2018 , respectively . from time to time , we may use an interest rate swap hedging strategy to eliminate the variability of cash flows in a portion of our interest payments . this strategy , when employed , allows us to

