auvs are calculated by dividing restaurant revenue by the number of operating days within each time period and multiplying by 361 , which is equal to the number of operating days we have in a typical year . this measurement allows management to assess changes in consumer traffic and per person spending patterns at our restaurants . comparable restaurant sales comparable restaurant sales refer to year-over-year sales comparisons for the comparable restaurant base . we define the comparable restaurant base to include restaurants open for at least 18 full periods . as of 2014 , 2013 and 2012 , there were 295 , 248 and 216 restaurants , respectively , in our comparable restaurant base for company-owned locations . this measure highlights performance of existing restaurants , as the impact of new restaurant openings is excluded . comparable restaurant sales growth is generated by increases in traffic , which we calculate as the number of entrées sold , or changes in per person spend , calculated as sales divided by traffic . per person spend can be influenced by changes in menu prices and the mix and number of items sold per person . measuring our comparable restaurant sales allows us to evaluate the performance of our existing restaurant base . various factors impact comparable restaurant sales , including : consumer recognition of our brand and our ability to respond to changing consumer preferences ; overall economic trends , particularly those related to consumer spending ; our ability to operate restaurants effectively and efficiently to meet consumer expectations ; pricing ; per person spend and average check amount ; marketing and promotional efforts ; local competition ; trade area dynamics ; introduction of new and seasonal menu items and limited time offerings ; and opening of new restaurants in the vicinity of existing locations . as a result of the 53-week fiscal year 2011 , our fiscal year 2012 began one week later than our fiscal year 2011. consistent with common industry practice , we present comparable restaurant sales on a calendar-adjusted basis that aligns current year sales weeks with comparable periods in the prior year , regardless of whether they belong to the same fiscal period or not . since opening new company-owned and franchise restaurants will be a significant component of our revenue growth , comparable restaurant sales are only one measure of how we evaluate our performance . restaurant contribution restaurant contribution is defined as restaurant revenue less restaurant operating costs which are cost of sales , labor , occupancy and other restaurant operating costs . we expect restaurant contribution to increase in proportion to the number of new restaurants we open and our comparable restaurant sales growth . fluctuations in restaurant contribution margin can also be attributed to those factors discussed above for the components of restaurant operating costs . 29 ebitda and adjusted ebitda we define ebitda as net income before interest expense , provision ( benefit ) for income taxes and depreciation and amortization . we define adjusted ebitda as net income before interest expense , debt extinguishment expense , provision ( benefit ) for income taxes , asset disposals , closure costs and restaurant impairments , depreciation and amortization , stock-based compensation , management fees , ipo-related expenses , follow-on offering expenses , transaction costs and obsolete inventory . ebitda and adjusted ebitda provide clear pictures of our operating results by eliminating certain non-cash expenses that are not reflective of the underlying business performance . we use these metrics to facilitate a comparison of our operating performance on a consistent basis from period to period and to analyze the factors and trends affecting our business . the following table presents a reconciliation of net income to ebitda and adjusted ebitda : replace_table_token_7_th _ ( a ) fiscal year 2013 included $ 0.5 million in management fee expense , and fiscal years 2012 and 2011 each included $ 1.0 million of management fee expense , in accordance with our management services agreement and through the class c common stock dividend paid to the holder of the one outstanding share of our class c common stock . in connection with our ipo , the management services agreement expired and the one share of class c common stock was redeemed . ( b ) 2010 included $ 3.7 million of non-cash stock-based compensation expense and $ 0.3 million of expense for our portion of payroll taxes related to the 2010 equity recapitalization . the stock-based compensation expense for fiscal year 2013 that was previously reported in our earnings release and annual report on form 10-k for the fiscal year ended december 31 , 2013 included $ 3.2 million of stock-based compensation related to the accelerated vesting of outstanding stock options upon our ipo that was also included in ipo-related expenses . accordingly , fiscal year 2013 stock-based compensation expense presented in the table above has been revised accordingly . ( c ) reflects certain expenses incurred in conjunction with the closing of our initial public offering . amount includes $ 2.0 million of stock-based compensation related to accelerated vesting of outstanding stock options , $ 1.2 million of stock-based compensation related to stock options granted to our chief executive officer and president and chief operations officer of which 50 % were vested at grant , $ 1.7 million of transaction bonuses and related payroll tax and $ 0.8 million in transaction payments to our equity sponsors . ( d ) reflects $ 0.7 million of offering expenses related to our follow-on offering completed in december of 2013 . ( e ) expenses related to the purchase of 19 franchise restaurants . see note 2 of our consolidated financial statements , business combinations . story_separator_special_tag the increase in investing activities in 2014 was also a result of purchasing 19 restaurants from two franchisees . we used approximately $ 15.7 million of cash flows for acquisitions in 2014 . we acquired substantially all of the assets of 16 restaurants from our indiana franchisee and an additional three restaurants from our new jersey franchisee . see note 2 to the consolidated financial statements for further information with respect to our acquisition activity in 2014 . in addition to our standard refresh and remodel investments in 2014 , 2013 and 2012 , we also invested additional funds in our existing restaurant base as we finished the roll out of our `` your world kitchen `` merchandising in the first quarter of 2013 . 40 financing activities net cash provided by financing activities was $ 24.0 million and $ 11.2 million in 2014 and 2013 , respectively . we used borrowings in both fiscal years to fund new restaurant capital expenditures . in 2014 , we also used borrowings for investments in technology and acquisitions . on july 2 , 2013 , we closed our ipo in which we sold 6,160,714 shares of class a common stock at $ 18.00 per share and received net proceeds of approximately $ 100.2 million ( after underwriting discounts , commissions and offering expenses ) . these net proceeds were used to pay off our outstanding term loan and repay all but $ 0.2 million of our revolving line of credit . in november of 2013 , we amended and restated our credit facility to provide more favorable borrowing rates and fees , to extend borrowing capacity through july 2018 and to effect certain changes to the covenants . the credit facility had been previously amended in august of 2012 to provide more favorable borrowing rates and extend borrowing capacity to july 2017. net cash provided by financing activities was $ 15.4 million in 2012 , driven by borrowings on our credit facility to fund capital expenditures . credit facility we maintain a $ 45.0 million revolving line of credit under our credit facility . the revolving line of credit includes a swing line loan of $ 10.0 million used to fund working capital requirements . on november 22 , 2013 , we amended and restated our credit facility to provide more favorable borrowing rates and fees , to extend borrowing capacity through july 2018 and to effect certain changes to the covenants . in connection with the ipo , we repaid our $ 75.0 million senior term loan under our credit facility and the majority of the revolving line of credit . we had $ 27.5 million of outstanding indebtedness , $ 2.7 million of outstanding letters of credit and $ 14.8 million available for borrowing under our revolving line of credit as of december 30 , 2014 . borrowings under our amended and restated credit facility bear interest , at our option , at either ( i ) libor plus 1.00 to 1.75 % , based on the lease-adjusted leverage ratio or ( ii ) the highest of the following rates plus zero to 0.75 % : ( a ) the federal funds rate plus 0.50 % ; ( b ) the bank of america prime rate or ( c ) the one month libor plus 1.00 % . the facility includes a commitment fee of 0.125 to 0.25 % , based on the lease-adjusted leverage ratio , per year on any unused portion of the facility . we also maintain outstanding letters of credit to secure obligations under our workers ' compensation program and certain lease obligations . availability of borrowings under the revolving line of credit is conditioned on our compliance with specified covenants , including a maximum lease-adjusted leverage ratio and a minimum consolidated fixed charge coverage ratio . we are subject to a number of other customary covenants , including limitations on additional borrowings , acquisitions , dividend payments and lease commitments . as of december 30 , 2014 , we were in compliance with all of our debt covenants . our credit facility is secured by a pledge of stock of substantially all of our subsidiaries and a lien on substantially all of the personal property assets of the company and its subsidiaries . contractual obligations our contractual obligations at december 30 , 2014 were as follows : replace_table_token_14_th _ ( 1 ) we are obligated under non-cancelable leases for our restaurants , administrative offices and equipment . some restaurant leases provide for contingent rental payments based on sales thresholds , which are excluded from this table . we also include capital leases for computer equipment of $ 200,000 . ( 2 ) we enter into various purchase obligations in the ordinary course of business . our binding purchase obligations relate to volume commitments for beverage and food products , as well as binding commitments for the construction of new restaurants . 41 ( 3 ) reflects full payment of our long-term debt at maturity of our credit facility in 2018 . ( 4 ) reflects the expected payments associated with our commitment under our non-qualified deferred compensation plan and capital lease obligations on equipment . off-balance sheet arrangements we had no off-balance sheet arrangements or obligations as of december 30 , 2014 . critical accounting policies and estimates our consolidated financial statements and accompanying notes are prepared in accordance with us gaap . preparing consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets , liabilities , revenue and expenses . these estimates and assumptions are affected by the application of our accounting policies . our significant accounting policies are described in note 1 to our consolidated financial statements . critical accounting estimates are those that require application of management 's most difficult , subjective or complex judgments , often as a result of matters that are inherently uncertain and may change in subsequent periods . while we

debt extinguishment in 2013 , debt extinguishment expense was $ 0.6 million as a result the november 2013 amendment to our credit facility that extended the maturity date and reduced the interest rates on borrowings . a portion of the existing and new fees were treated as debt extinguishment expense . interest expense interest expense decreased by $ 1.8 million in 2014 compared to 2013 . the decrease was primarily due to lower average borrowings in 2014 due to the payoff of the majority of our outstanding debt in conjunction with our ipo in 2013. provision for income taxes provision for income taxes increased by $ 2.4 million in 2014 compared to 2013 , due to an increase in pre-tax net income in 2014 , offset by a decrease to our effective income tax rate . our effective tax rate decreased to 38.4 % in 2014 from 41.7 % in 2013 primarily due to the impact of non-deductible follow-on offering transaction costs in 2013 , offset by increased employment credits in 2014 . 36 fiscal year ended december 31 , 2013 compared to fiscal year ended january 1 , 2013 fiscal year 2013 and 2012 each contained 52 operating weeks . the table below presents our operating results for 2013 and 2012 , and the related year-over-year changes : replace_table_token_11_th _ * not meaningful . ( 1 ) fiscal year 2013 included $ 500,000 of management fee expense and 2012 included $ 1.0 million of management fee expense , in accordance with our management services agreement and through the class c common stock dividend paid to the holder of the one outstanding share of our class c common stock . in connection with our ipo , the management services agreement expired and the one share of class c common stock was redeemed . additionally , we incurred $ 0.7 million of expenses related to our follow-on offering which closed in december of 2013. revenue restaurant revenue increased by $ 49.9 million in 2013 compared to 2012 .


 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.
     ```debt extinguishment in 2013 , debt extinguishment expense was $ 0.6 million as a result the november 2013 amendment to our credit facility that extended the maturity date and reduced the interest rates on borrowings . a portion of the existing and new fees were treated as debt extinguishment expense . interest expense interest expense decreased by $ 1.8 million in 2014 compared to 2013 . the decrease was primarily due to lower average borrowings in 2014 due to the payoff of the majority of our outstanding debt in conjunction with our ipo in 2013. provision for income taxes provision for income taxes increased by $ 2.4 million in 2014 compared to 2013 , due to an increase in pre-tax net income in 2014 , offset by a decrease to our effective income tax rate . our effective tax rate decreased to 38.4 % in 2014 from 41.7 % in 2013 primarily due to the impact of non-deductible follow-on offering transaction costs in 2013 , offset by increased employment credits in 2014 . 36 fiscal year ended december 31 , 2013 compared to fiscal year ended january 1 , 2013 fiscal year 2013 and 2012 each contained 52 operating weeks . the table below presents our operating results for 2013 and 2012 , and the related year-over-year changes : replace_table_token_11_th _ * not meaningful . ( 1 ) fiscal year 2013 included $ 500,000 of management fee expense and 2012 included $ 1.0 million of management fee expense , in accordance with our management services agreement and through the class c common stock dividend paid to the holder of the one outstanding share of our class c common stock . in connection with our ipo , the management services agreement expired and the one share of class c common stock was redeemed . additionally , we incurred $ 0.7 million of expenses related to our follow-on offering which closed in december of 2013. revenue restaurant revenue increased by $ 49.9 million in 2013 compared to 2012 .
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 Suspicious Activity Report : auvs are calculated by dividing restaurant revenue by the number of operating days within each time period and multiplying by 361 , which is equal to the number of operating days we have in a typical year . this measurement allows management to assess changes in consumer traffic and per person spending patterns at our restaurants . comparable restaurant sales comparable restaurant sales refer to year-over-year sales comparisons for the comparable restaurant base . we define the comparable restaurant base to include restaurants open for at least 18 full periods . as of 2014 , 2013 and 2012 , there were 295 , 248 and 216 restaurants , respectively , in our comparable restaurant base for company-owned locations . this measure highlights performance of existing restaurants , as the impact of new restaurant openings is excluded . comparable restaurant sales growth is generated by increases in traffic , which we calculate as the number of entrées sold , or changes in per person spend , calculated as sales divided by traffic . per person spend can be influenced by changes in menu prices and the mix and number of items sold per person . measuring our comparable restaurant sales allows us to evaluate the performance of our existing restaurant base . various factors impact comparable restaurant sales , including : consumer recognition of our brand and our ability to respond to changing consumer preferences ; overall economic trends , particularly those related to consumer spending ; our ability to operate restaurants effectively and efficiently to meet consumer expectations ; pricing ; per person spend and average check amount ; marketing and promotional efforts ; local competition ; trade area dynamics ; introduction of new and seasonal menu items and limited time offerings ; and opening of new restaurants in the vicinity of existing locations . as a result of the 53-week fiscal year 2011 , our fiscal year 2012 began one week later than our fiscal year 2011. consistent with common industry practice , we present comparable restaurant sales on a calendar-adjusted basis that aligns current year sales weeks with comparable periods in the prior year , regardless of whether they belong to the same fiscal period or not . since opening new company-owned and franchise restaurants will be a significant component of our revenue growth , comparable restaurant sales are only one measure of how we evaluate our performance . restaurant contribution restaurant contribution is defined as restaurant revenue less restaurant operating costs which are cost of sales , labor , occupancy and other restaurant operating costs . we expect restaurant contribution to increase in proportion to the number of new restaurants we open and our comparable restaurant sales growth . fluctuations in restaurant contribution margin can also be attributed to those factors discussed above for the components of restaurant operating costs . 29 ebitda and adjusted ebitda we define ebitda as net income before interest expense , provision ( benefit ) for income taxes and depreciation and amortization . we define adjusted ebitda as net income before interest expense , debt extinguishment expense , provision ( benefit ) for income taxes , asset disposals , closure costs and restaurant impairments , depreciation and amortization , stock-based compensation , management fees , ipo-related expenses , follow-on offering expenses , transaction costs and obsolete inventory . ebitda and adjusted ebitda provide clear pictures of our operating results by eliminating certain non-cash expenses that are not reflective of the underlying business performance . we use these metrics to facilitate a comparison of our operating performance on a consistent basis from period to period and to analyze the factors and trends affecting our business . the following table presents a reconciliation of net income to ebitda and adjusted ebitda : replace_table_token_7_th _ ( a ) fiscal year 2013 included $ 0.5 million in management fee expense , and fiscal years 2012 and 2011 each included $ 1.0 million of management fee expense , in accordance with our management services agreement and through the class c common stock dividend paid to the holder of the one outstanding share of our class c common stock . in connection with our ipo , the management services agreement expired and the one share of class c common stock was redeemed . ( b ) 2010 included $ 3.7 million of non-cash stock-based compensation expense and $ 0.3 million of expense for our portion of payroll taxes related to the 2010 equity recapitalization . the stock-based compensation expense for fiscal year 2013 that was previously reported in our earnings release and annual report on form 10-k for the fiscal year ended december 31 , 2013 included $ 3.2 million of stock-based compensation related to the accelerated vesting of outstanding stock options upon our ipo that was also included in ipo-related expenses . accordingly , fiscal year 2013 stock-based compensation expense presented in the table above has been revised accordingly . ( c ) reflects certain expenses incurred in conjunction with the closing of our initial public offering . amount includes $ 2.0 million of stock-based compensation related to accelerated vesting of outstanding stock options , $ 1.2 million of stock-based compensation related to stock options granted to our chief executive officer and president and chief operations officer of which 50 % were vested at grant , $ 1.7 million of transaction bonuses and related payroll tax and $ 0.8 million in transaction payments to our equity sponsors . ( d ) reflects $ 0.7 million of offering expenses related to our follow-on offering completed in december of 2013 . ( e ) expenses related to the purchase of 19 franchise restaurants . see note 2 of our consolidated financial statements , business combinations . story_separator_special_tag the increase in investing activities in 2014 was also a result of purchasing 19 restaurants from two franchisees . we used approximately $ 15.7 million of cash flows for acquisitions in 2014 . we acquired substantially all of the assets of 16 restaurants from our indiana franchisee and an additional three restaurants from our new jersey franchisee . see note 2 to the consolidated financial statements for further information with respect to our acquisition activity in 2014 . in addition to our standard refresh and remodel investments in 2014 , 2013 and 2012 , we also invested additional funds in our existing restaurant base as we finished the roll out of our `` your world kitchen `` merchandising in the first quarter of 2013 . 40 financing activities net cash provided by financing activities was $ 24.0 million and $ 11.2 million in 2014 and 2013 , respectively . we used borrowings in both fiscal years to fund new restaurant capital expenditures . in 2014 , we also used borrowings for investments in technology and acquisitions . on july 2 , 2013 , we closed our ipo in which we sold 6,160,714 shares of class a common stock at $ 18.00 per share and received net proceeds of approximately $ 100.2 million ( after underwriting discounts , commissions and offering expenses ) . these net proceeds were used to pay off our outstanding term loan and repay all but $ 0.2 million of our revolving line of credit . in november of 2013 , we amended and restated our credit facility to provide more favorable borrowing rates and fees , to extend borrowing capacity through july 2018 and to effect certain changes to the covenants . the credit facility had been previously amended in august of 2012 to provide more favorable borrowing rates and extend borrowing capacity to july 2017. net cash provided by financing activities was $ 15.4 million in 2012 , driven by borrowings on our credit facility to fund capital expenditures . credit facility we maintain a $ 45.0 million revolving line of credit under our credit facility . the revolving line of credit includes a swing line loan of $ 10.0 million used to fund working capital requirements . on november 22 , 2013 , we amended and restated our credit facility to provide more favorable borrowing rates and fees , to extend borrowing capacity through july 2018 and to effect certain changes to the covenants . in connection with the ipo , we repaid our $ 75.0 million senior term loan under our credit facility and the majority of the revolving line of credit . we had $ 27.5 million of outstanding indebtedness , $ 2.7 million of outstanding letters of credit and $ 14.8 million available for borrowing under our revolving line of credit as of december 30 , 2014 . borrowings under our amended and restated credit facility bear interest , at our option , at either ( i ) libor plus 1.00 to 1.75 % , based on the lease-adjusted leverage ratio or ( ii ) the highest of the following rates plus zero to 0.75 % : ( a ) the federal funds rate plus 0.50 % ; ( b ) the bank of america prime rate or ( c ) the one month libor plus 1.00 % . the facility includes a commitment fee of 0.125 to 0.25 % , based on the lease-adjusted leverage ratio , per year on any unused portion of the facility . we also maintain outstanding letters of credit to secure obligations under our workers ' compensation program and certain lease obligations . availability of borrowings under the revolving line of credit is conditioned on our compliance with specified covenants , including a maximum lease-adjusted leverage ratio and a minimum consolidated fixed charge coverage ratio . we are subject to a number of other customary covenants , including limitations on additional borrowings , acquisitions , dividend payments and lease commitments . as of december 30 , 2014 , we were in compliance with all of our debt covenants . our credit facility is secured by a pledge of stock of substantially all of our subsidiaries and a lien on substantially all of the personal property assets of the company and its subsidiaries . contractual obligations our contractual obligations at december 30 , 2014 were as follows : replace_table_token_14_th _ ( 1 ) we are obligated under non-cancelable leases for our restaurants , administrative offices and equipment . some restaurant leases provide for contingent rental payments based on sales thresholds , which are excluded from this table . we also include capital leases for computer equipment of $ 200,000 . ( 2 ) we enter into various purchase obligations in the ordinary course of business . our binding purchase obligations relate to volume commitments for beverage and food products , as well as binding commitments for the construction of new restaurants . 41 ( 3 ) reflects full payment of our long-term debt at maturity of our credit facility in 2018 . ( 4 ) reflects the expected payments associated with our commitment under our non-qualified deferred compensation plan and capital lease obligations on equipment . off-balance sheet arrangements we had no off-balance sheet arrangements or obligations as of december 30 , 2014 . critical accounting policies and estimates our consolidated financial statements and accompanying notes are prepared in accordance with us gaap . preparing consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets , liabilities , revenue and expenses . these estimates and assumptions are affected by the application of our accounting policies . our significant accounting policies are described in note 1 to our consolidated financial statements . critical accounting estimates are those that require application of management 's most difficult , subjective or complex judgments , often as a result of matters that are inherently uncertain and may change in subsequent periods . while we

