we generally compete for new business at the beginning of the development of a new vehicle platform and upon the redesign of existing programs . new platform development generally begins one to three years before the marketing of such models by our customers . contract durations for commercial vehicle products generally extend for the entire life of the platform . several of the major truck makers have upgraded their truck platforms and we believe we have maintained our share of content in these platforms . we continue to pursue opportunities to expand our content . demand for our heavy-duty ( or `` class 8 `` ) truck products is generally dependent on the number of new heavy-duty trucks manufactured in north america , which in turn is a function of general economic conditions , interest rates , changes in government regulations , consumer spending , fuel costs , freight costs , fleet operators ' financial health and access to capital , used truck prices and our customers ' inventory levels . new heavy-duty truck demand has historically been cyclical and is particularly sensitive to the industrial sector of the economy , which generates a significant portion of the freight tonnage hauled by commercial vehicles . according to a february 2019 report by act research , a publisher of industry market research , north american class 8 production levels are expected to increase to 335,000 units in 2019 , decrease to 243,000 units in 2020 , and then increase to 317,000 units in 2023. we believe the demand for north american class 8 vehicles in 2019 will be between 330,000 to 350,000 units . act research estimated that the average age of active north american class 8 trucks was 11.2 and 11.3 years in 2018 and 2017 , respectively . as vehicles age , their maintenance costs typically increase . act research forecasts that the vehicle age will decline as aging fleets are replaced . north american medium-duty ( or `` class 5-7 `` ) truck production steadily increased from 233,000 units in 2016 to 272,000 units in 2018. we believe the demand for class 5-7 vehicles in 2019 will be stable . according to a february 2019 report by act research , north american class 5-7 truck production is expected to gradually increase to 280,000 units in 2023 . 32 demand for our construction and agricultural equipment products is dependent on vehicle production . demand for new vehicles in the global construction and agricultural equipment market generally follows certain economic conditions around the world . our products are primarily used in the medium- and heavy-duty construction equipment markets ( vehicles weighing over 12 metric tons ) . demand in the medium- and heavy-duty construction equipment market is typically related to the level of large scale infrastructure development projects such as highways , dams , harbors , hospitals , airports and industrial development , as well as activity in the mining , forestry and commodities industries . we believe the construction markets we serve in europe , asia , and north america have improved . our long-term strategy our long-term strategy is to grow revenue by product , geography and end market . our products include electrical wire harnesses assemblies ; trim ; mirrors , wipers and controls ; cab structures and sleeper boxes ; and seats . we intend to allocate resources consistent with our strategy ; more specifically , consistent with our product portfolio , geographic region and end market diversification objectives . we periodically evaluate our long-term strategy in response to significant changes in our business environment and other factors . as part of our long-term strategy , we have considered and will consider acquisitions and divestitures to enhance our return to our shareholders and our service to customers . recently issued accounting pronouncements recently issued accounting pronouncements described in note 2 of the consolidated financial statements is incorporated in this section by reference . consolidated results of operations the table below sets forth certain operating data expressed as a percentage of revenues for the periods indicated ( dollars are in thousands ) : replace_table_token_6_th year ended december 31 , 2018 compared to year ended december 31 , 2017 c onsolidated r esults the table below sets forth certain consolidated operating data for the periods indicated ( dollars are in thousands ) : 33 replace_table_token_7_th revenues . the increase in revenues for the year ended december 31 , 2018 compared to the year ended december 31 , 2017 primarily resulted from increased heavy-duty truck production volumes in north america and an improvement in the global construction equipment markets . more specifically , the increase resulted from : a $ 106.4 million , or 33 % , increase in oem north american md/hd truck revenues ; a $ 24.9 million , or 15 % , increase in construction equipment revenues ; a $ 17.2 million , or 14 % , increase in aftermarket revenues ; and a $ 6.0 million , or 4 % , decrease in other revenues . 2018 revenues were favorably impacted by foreign currency exchange translation of $ 8.1 million , which is reflected in the change in revenue above . gross profit . the increase in gross profit is primarily attributable to an increase in sales volume . included in gross profit is cost of revenues , which consists primarily of raw materials and purchased components for our products , wages and benefits for our employees and overhead expenses such as manufacturing supplies , facility rent and utilities costs related to our operations . cost of revenues increased $ 105.4 million , or 15.9 % , resulting from an increase in raw material and purchased component costs of $ 82.5 million , wages and benefits of $ 9.7 million and overhead expenses of $ 13.2 million . commodity and other material inflationary pressures and difficult labor markets adversely affected cost of revenues . story_separator_special_tag this includes a $ 7.2 million provision for the decrease in value of our net deferred tax assets due to a reduction of the u.s. corporate tax rate from 35 % to 21 % effective january 1 , 2018 , and a $ 4.0 million provision related to the deemed repatriation of accumulated untaxed earnings of certain foreign subsidiaries . electrical systems segment results the table below sets forth certain electrical systems segment operating data for the periods indicated ( dollars are in thousands ) : replace_table_token_11_th revenues . the increase in electrical systems segment revenues in 2017 compared to 2016 is primarily a result of : a $ 25.6 million , or 42 % , increase in oem construction equipment revenues ; a $ 25.6 million , or 16 % , increase in oem north american md/hd truck revenues ; and a $ 7.1 million , or 5 % , increase in revenues from other markets . electrical systems segment 2017 revenues were favorably impacted by foreign currency exchange translation of $ 2.5 million , which is reflected in the changes in revenue above . gross profit . the decrease in gross profit is attributable to the na footprint adjustment . if not for the na footprint adjustment , gross profit would have increased as a result of the increased sales volume . included in gross profit is cost of revenues , which increased $ 60.9 million , or 18.9 % , as a result of an increase in raw material and purchased component parts of $ 43.7 million , wages and benefits of $ 7.7 million and overhead expenses of $ 9.5 million . commodity and other material inflationary pressures and difficult labor markets adversely affected cost of revenues . additionally , 2017 results included $ 1.8 million in charges relating to facility restructuring costs compared to $ 2.5 million in the prior year period . as a percentage of revenues , gross profit was 12.0 % for the year ended december 31 , 2017 compared to 14.5 % for the year ended december 31 , 2016 . selling , general and administrative expenses . electrical systems segment selling , general and administrative expenses decreased in 2017 compared to 2016 , notwithstanding the increase in revenues , reflecting a focus on cost discipline . global seating segment results the table below sets forth certain global seating segment operating data for the periods indicated ( dollars are in thousands ) : replace_table_token_12_th 37 revenues . the increase in global seating segment revenue is primarily a result of : a $ 16.8 million , or 26 % , increase in oem construction equipment revenues ; a $ 15.4 million , or 14 % , increase in oem north american md/hd truck revenues ; a $ 2.3 million , or 3 % , increase in aftermarket revenues ; and a $ 4.1 million , or 11 % , increase in revenues from various other markets . global seating segment 2017 revenues were adversely impacted by foreign currency exchange translation of $ 2.0 million , which is reflected in the changes in revenue above . gross profit . the increase in gross profit was primarily the result of the increase in sales volume . included in gross profit is cost of revenues , which increased $ 31.0 million , or 12.0 % , as a result of an increase in raw material and purchased component costs of $ 20.7 million , wages and benefits of $ 4.6 million and overhead expenses of $ 5.7 million . commodity and other material inflationary pressures and difficult labor markets adversely affected cost of revenues . additionally , 2017 results included $ 0.3 million in charges relating to facility restructuring and other related costs compared to $ 0.9 million in the prior year period . as a percentage of revenues , gross profit was 12.4 % for the year ended december 31 , 2017 compared to 11.4 % for the year ended december 31 , 2016 . selling , general and administrative expenses . global seating segment selling , general and administrative expenses decreased in 2017 compared to 2016 , notwithstanding the increase in revenues , reflecting a focus on cost discipline . story_separator_special_tag style= `` font-family : inherit ; font-size:10pt ; `` > we recognize deferred tax assets and liabilities for the expected future tax consequences of events that have been included in our financial statements or tax returns . deferred tax assets and liabilities are determined based on the difference between the financial statements and tax basis of assets and liabilities using enacted tax laws and rates expected to be in place when the deferred tax items are realized . we recognize tax positions initially in the financial statements when it is more likely than not the position will be sustained upon examination by the tax authorities . we provide a valuation allowance for deferred tax assets when it is more likely than not that a portion of such deferred tax assets will not be realized . on december 22 , 2017 , the u.s. tax cuts and jobs act of 2017 was signed into law . the u.s. tax reform significantly revised the u.s. corporate income tax regime by , among other things , lowering the u.s. corporate tax rate from 35 % to 21 % effective january 1 , 2018 , establishing a quasi-territorial tax system and imposing a one-time tax on the deemed repatriation of earnings of foreign subsidiaries . the sec issued the staff accounting bulletin no . 118 ( `` sab 118 `` ) to address the accounting implications of the u.s. tax reform . the effects of the u.s. tax reform are recognized upon enactment , however , sab 118 permits a company to recognize provisional amounts when it does not have the necessary information available . the measurement period to finalize our calculations was one year from the enactment date . during the year ended december 31

liquidity and capital resources during the year ended december 31 , 2018 , the company borrowed under its asset-based revolver ; however , as of year end the company did not have any outstanding borrowings . at december 31 , 2018 , the company had liquidity of $ 134 million ; $ 71 million of cash and $ 63 million availability from its asset-based revolver . we intend to allocate resources consistent with the following priorities : ( 1 ) to provide liquidity ; ( 2 ) to invest in growth ; ( 3 ) to reduce debt ; and ( 4 ) to return capital to our shareholders . cash flows our primary source of liquidity during the year ended december 31 , 2018 was cash and availability under our revolving credit facility . we believe that these sources of liquidity will provide adequate funds for our working capital needs , planned capital expenditures and servicing of our debt through the next twelve months . however , no assurance can be given that this will be the case . we had no borrowings under our revolving credit facility at december 31 , 2018. for the year ended december 31 , 2018 , cash provided by operations was $ 41.0 million compared to $ 2.3 million in the year ended december 31 , 2017 and $ 49.4 million in the year ended december 31 , 2016 . the increase in cash provided by operations for the year ended december 31 , 2018 compared to 2017 was primarily due to an increase in net income . the decrease in cash provided by operations for the year ended december 31 , 2017 compared to 2016 was primarily due to an increase in the investment in working capital in 2017. net cash used in investing activities was $ 14.1 million for the year ended december 31 , 2018 compared to $ 10.8 million for the year ended december 31 , 2017 , and $ 8.9 million for the year ended december 31 , 2016 .


 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 during the year ended december 31 , 2018 , the company borrowed under its asset-based revolver ; however , as of year end the company did not have any outstanding borrowings . at december 31 , 2018 , the company had liquidity of $ 134 million ; $ 71 million of cash and $ 63 million availability from its asset-based revolver . we intend to allocate resources consistent with the following priorities : ( 1 ) to provide liquidity ; ( 2 ) to invest in growth ; ( 3 ) to reduce debt ; and ( 4 ) to return capital to our shareholders . cash flows our primary source of liquidity during the year ended december 31 , 2018 was cash and availability under our revolving credit facility . we believe that these sources of liquidity will provide adequate funds for our working capital needs , planned capital expenditures and servicing of our debt through the next twelve months . however , no assurance can be given that this will be the case . we had no borrowings under our revolving credit facility at december 31 , 2018. for the year ended december 31 , 2018 , cash provided by operations was $ 41.0 million compared to $ 2.3 million in the year ended december 31 , 2017 and $ 49.4 million in the year ended december 31 , 2016 . the increase in cash provided by operations for the year ended december 31 , 2018 compared to 2017 was primarily due to an increase in net income . the decrease in cash provided by operations for the year ended december 31 , 2017 compared to 2016 was primarily due to an increase in the investment in working capital in 2017. net cash used in investing activities was $ 14.1 million for the year ended december 31 , 2018 compared to $ 10.8 million for the year ended december 31 , 2017 , and $ 8.9 million for the year ended december 31 , 2016 .
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 Suspicious Activity Report : we generally compete for new business at the beginning of the development of a new vehicle platform and upon the redesign of existing programs . new platform development generally begins one to three years before the marketing of such models by our customers . contract durations for commercial vehicle products generally extend for the entire life of the platform . several of the major truck makers have upgraded their truck platforms and we believe we have maintained our share of content in these platforms . we continue to pursue opportunities to expand our content . demand for our heavy-duty ( or `` class 8 `` ) truck products is generally dependent on the number of new heavy-duty trucks manufactured in north america , which in turn is a function of general economic conditions , interest rates , changes in government regulations , consumer spending , fuel costs , freight costs , fleet operators ' financial health and access to capital , used truck prices and our customers ' inventory levels . new heavy-duty truck demand has historically been cyclical and is particularly sensitive to the industrial sector of the economy , which generates a significant portion of the freight tonnage hauled by commercial vehicles . according to a february 2019 report by act research , a publisher of industry market research , north american class 8 production levels are expected to increase to 335,000 units in 2019 , decrease to 243,000 units in 2020 , and then increase to 317,000 units in 2023. we believe the demand for north american class 8 vehicles in 2019 will be between 330,000 to 350,000 units . act research estimated that the average age of active north american class 8 trucks was 11.2 and 11.3 years in 2018 and 2017 , respectively . as vehicles age , their maintenance costs typically increase . act research forecasts that the vehicle age will decline as aging fleets are replaced . north american medium-duty ( or `` class 5-7 `` ) truck production steadily increased from 233,000 units in 2016 to 272,000 units in 2018. we believe the demand for class 5-7 vehicles in 2019 will be stable . according to a february 2019 report by act research , north american class 5-7 truck production is expected to gradually increase to 280,000 units in 2023 . 32 demand for our construction and agricultural equipment products is dependent on vehicle production . demand for new vehicles in the global construction and agricultural equipment market generally follows certain economic conditions around the world . our products are primarily used in the medium- and heavy-duty construction equipment markets ( vehicles weighing over 12 metric tons ) . demand in the medium- and heavy-duty construction equipment market is typically related to the level of large scale infrastructure development projects such as highways , dams , harbors , hospitals , airports and industrial development , as well as activity in the mining , forestry and commodities industries . we believe the construction markets we serve in europe , asia , and north america have improved . our long-term strategy our long-term strategy is to grow revenue by product , geography and end market . our products include electrical wire harnesses assemblies ; trim ; mirrors , wipers and controls ; cab structures and sleeper boxes ; and seats . we intend to allocate resources consistent with our strategy ; more specifically , consistent with our product portfolio , geographic region and end market diversification objectives . we periodically evaluate our long-term strategy in response to significant changes in our business environment and other factors . as part of our long-term strategy , we have considered and will consider acquisitions and divestitures to enhance our return to our shareholders and our service to customers . recently issued accounting pronouncements recently issued accounting pronouncements described in note 2 of the consolidated financial statements is incorporated in this section by reference . consolidated results of operations the table below sets forth certain operating data expressed as a percentage of revenues for the periods indicated ( dollars are in thousands ) : replace_table_token_6_th year ended december 31 , 2018 compared to year ended december 31 , 2017 c onsolidated r esults the table below sets forth certain consolidated operating data for the periods indicated ( dollars are in thousands ) : 33 replace_table_token_7_th revenues . the increase in revenues for the year ended december 31 , 2018 compared to the year ended december 31 , 2017 primarily resulted from increased heavy-duty truck production volumes in north america and an improvement in the global construction equipment markets . more specifically , the increase resulted from : a $ 106.4 million , or 33 % , increase in oem north american md/hd truck revenues ; a $ 24.9 million , or 15 % , increase in construction equipment revenues ; a $ 17.2 million , or 14 % , increase in aftermarket revenues ; and a $ 6.0 million , or 4 % , decrease in other revenues . 2018 revenues were favorably impacted by foreign currency exchange translation of $ 8.1 million , which is reflected in the change in revenue above . gross profit . the increase in gross profit is primarily attributable to an increase in sales volume . included in gross profit is cost of revenues , which consists primarily of raw materials and purchased components for our products , wages and benefits for our employees and overhead expenses such as manufacturing supplies , facility rent and utilities costs related to our operations . cost of revenues increased $ 105.4 million , or 15.9 % , resulting from an increase in raw material and purchased component costs of $ 82.5 million , wages and benefits of $ 9.7 million and overhead expenses of $ 13.2 million . commodity and other material inflationary pressures and difficult labor markets adversely affected cost of revenues . story_separator_special_tag this includes a $ 7.2 million provision for the decrease in value of our net deferred tax assets due to a reduction of the u.s. corporate tax rate from 35 % to 21 % effective january 1 , 2018 , and a $ 4.0 million provision related to the deemed repatriation of accumulated untaxed earnings of certain foreign subsidiaries . electrical systems segment results the table below sets forth certain electrical systems segment operating data for the periods indicated ( dollars are in thousands ) : replace_table_token_11_th revenues . the increase in electrical systems segment revenues in 2017 compared to 2016 is primarily a result of : a $ 25.6 million , or 42 % , increase in oem construction equipment revenues ; a $ 25.6 million , or 16 % , increase in oem north american md/hd truck revenues ; and a $ 7.1 million , or 5 % , increase in revenues from other markets . electrical systems segment 2017 revenues were favorably impacted by foreign currency exchange translation of $ 2.5 million , which is reflected in the changes in revenue above . gross profit . the decrease in gross profit is attributable to the na footprint adjustment . if not for the na footprint adjustment , gross profit would have increased as a result of the increased sales volume . included in gross profit is cost of revenues , which increased $ 60.9 million , or 18.9 % , as a result of an increase in raw material and purchased component parts of $ 43.7 million , wages and benefits of $ 7.7 million and overhead expenses of $ 9.5 million . commodity and other material inflationary pressures and difficult labor markets adversely affected cost of revenues . additionally , 2017 results included $ 1.8 million in charges relating to facility restructuring costs compared to $ 2.5 million in the prior year period . as a percentage of revenues , gross profit was 12.0 % for the year ended december 31 , 2017 compared to 14.5 % for the year ended december 31 , 2016 . selling , general and administrative expenses . electrical systems segment selling , general and administrative expenses decreased in 2017 compared to 2016 , notwithstanding the increase in revenues , reflecting a focus on cost discipline . global seating segment results the table below sets forth certain global seating segment operating data for the periods indicated ( dollars are in thousands ) : replace_table_token_12_th 37 revenues . the increase in global seating segment revenue is primarily a result of : a $ 16.8 million , or 26 % , increase in oem construction equipment revenues ; a $ 15.4 million , or 14 % , increase in oem north american md/hd truck revenues ; a $ 2.3 million , or 3 % , increase in aftermarket revenues ; and a $ 4.1 million , or 11 % , increase in revenues from various other markets . global seating segment 2017 revenues were adversely impacted by foreign currency exchange translation of $ 2.0 million , which is reflected in the changes in revenue above . gross profit . the increase in gross profit was primarily the result of the increase in sales volume . included in gross profit is cost of revenues , which increased $ 31.0 million , or 12.0 % , as a result of an increase in raw material and purchased component costs of $ 20.7 million , wages and benefits of $ 4.6 million and overhead expenses of $ 5.7 million . commodity and other material inflationary pressures and difficult labor markets adversely affected cost of revenues . additionally , 2017 results included $ 0.3 million in charges relating to facility restructuring and other related costs compared to $ 0.9 million in the prior year period . as a percentage of revenues , gross profit was 12.4 % for the year ended december 31 , 2017 compared to 11.4 % for the year ended december 31 , 2016 . selling , general and administrative expenses . global seating segment selling , general and administrative expenses decreased in 2017 compared to 2016 , notwithstanding the increase in revenues , reflecting a focus on cost discipline . story_separator_special_tag style= `` font-family : inherit ; font-size:10pt ; `` > we recognize deferred tax assets and liabilities for the expected future tax consequences of events that have been included in our financial statements or tax returns . deferred tax assets and liabilities are determined based on the difference between the financial statements and tax basis of assets and liabilities using enacted tax laws and rates expected to be in place when the deferred tax items are realized . we recognize tax positions initially in the financial statements when it is more likely than not the position will be sustained upon examination by the tax authorities . we provide a valuation allowance for deferred tax assets when it is more likely than not that a portion of such deferred tax assets will not be realized . on december 22 , 2017 , the u.s. tax cuts and jobs act of 2017 was signed into law . the u.s. tax reform significantly revised the u.s. corporate income tax regime by , among other things , lowering the u.s. corporate tax rate from 35 % to 21 % effective january 1 , 2018 , establishing a quasi-territorial tax system and imposing a one-time tax on the deemed repatriation of earnings of foreign subsidiaries . the sec issued the staff accounting bulletin no . 118 ( `` sab 118 `` ) to address the accounting implications of the u.s. tax reform . the effects of the u.s. tax reform are recognized upon enactment , however , sab 118 permits a company to recognize provisional amounts when it does not have the necessary information available . the measurement period to finalize our calculations was one year from the enactment date . during the year ended december 31

