only 56 % of total revenue ( excluding reimbursed management type contract revenue ) for the year ended december 31 , 2019 , however , was from management type contracts because , under those contracts , the revenue collected from customers belongs to our clients . therefore , gross profit and total general and administrative expense , rather than revenue , are management 's primary focus . we believe that sophisticated clients ( which also include property owners ) recognize the potential for parking services , parking management , ground transportation services , baggage handling services and other ancillary services to be a profit generator and or a service differentiator to their customers . by outsourcing these services , they are able to capture additional profit and customer experience by leveraging the unique operational skills and controls that an experienced services company can offer . our ability to consistently deliver a uniformly high level of services to our clients , including the use of various technological enhancements , allows us to maximize the profit and or customer experience to our clients and improves our ability to win contracts and retain existing clients . our focus on customer service and satisfaction is a key driver of our high retention rate , which was approximately 93 % and 88 % for the years ended december 31 , 2019 and 2018 , respectively . this retention rate captures facilities for the commercial segment . commercial segment facilities the following table reflects our commercial facilities ( by contractual type ) operated at the end of the years indicated : replace_table_token_3_th ( 1 ) includes partial ownership in one leased facility for 2019 , 2018 and 2017 . 21 revenue we recognize services revenue from lease and management type contracts as the related services are provided . substantially all of our revenue comes from the following two sources : lease type contracts . consists of all revenue received at lease type locations , including gross receipts ( net of local taxes ) , consulting and real estate development fees , gains on sales of contracts and payments for exercising termination rights . revenue from lease type contracts includes a reduction of services revenue - lease type contracts due to the adoption of topic 853 , which requires rental expense for the periods after january 1 , 2018 be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . management type contracts . consists of management fees , including fixed , variable and or performance-based fees , and amounts attributable to ancillary services such as accounting , equipment leasing , baggage services , payments received for exercising termination rights , consulting , developmental fees , gains on sales of contracts , insurance and other value-added services with respect to managed type contracts . we believe we generally purchase required insurance at lower rates than our clients can obtain on their own because we effectively self-insure for all liability and worker 's compensation and health care claims by maintaining a large per-claim deductible . as a result , we have generated operating income on the insurance provided under our management type contracts by focusing on our risk management efforts and controlling losses . management type contract revenues do not include gross customer collections at managed type contracts as these revenues belong to the client rather than to us . management type contracts generally provide us with a management fee regardless of the operating performance of the underlying management type contract . reimbursed management type contract revenue . c onsists of the direct reimbursement from the client for operating expenses incurred under a management type contract , which are reflected in our revenue . cost of services our cost of services consists of the following : lease type contracts . consists of contractual rents or fees paid to the client and all operating expenses incurred in connection with operating the leased facility . contractual rents or fees paid to the client are generally based on either a fixed contractual amount or a percentage of gross revenue or a combination thereof . generally , under a lease type arrangement we are not responsible for major capital expenditures or real estate taxes . cost of services from lease type contracts includes a reduction of cost of services revenue - lease type contracts due to the adoption of topic 853 , which requires rental expense for the periods after january 1 , 2018 be presented as a reduction of services revenue - lease type contracts ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . management type contracts . the cost of services under a management type contract is generally the responsibility of the client . as a result , these costs are not included in our results of operations . however , our reverse management type contracts , which typically provide for larger management fees , do require us to pay for certain costs and those costs are included in our results of operations . reimbursed management type contract expense . c onsists of direct reimbursed costs incurred on behalf of a client under a management type contract , which are reflected in our cost of services . gross profit gross profit equals our revenue less the cost of generating such revenue . this is the key metric we use to examine our performance because it captures the underlying economic benefit to us of both lease and management type contracts . general and administrative expenses general and administrative expenses include salaries , wages , payroll taxes , insurance , travel and office related expenses for our headquarters , field offices , supervisory employees , and board of directors . story_separator_special_tag 2017-10 , service concession arrangements ( topic 853 ) , which requires rental expense to be presented as a reduction of services revenue - lease type contracts versus the comparative period presentation of recording rent expense as an increase to cost of services - lease type contracts for that business ( and corresponding contracts ) meeting the criteria and definition of a service concession arrangement , as discussed in note 5. revenue to the consolidated financial statements included in item 15 . `` exhibits and financial statement schedules `` , partially offset by net increases in short-term parking revenue , monthly parking revenue and transient parking revenue . from a reporting segment perspective , lease type contract revenue decreased primarily due to expired business in commercial , existing business in commercial and aviation , conversions in commercial , and new/acquired business in aviation , partially offset by increases from new/acquired business in commercial and existing business in other . 27 management type contracts management type contract revenue increased $ 13.3 million , or 3.8 % , to $ 361.5 million for the year ended december 31 , 2018 , compared to $ 348.2 million for the prior year . the increase in management type contract revenue resulted primarily from increases of $ 32.1 million from new/acquired business , and $ 4.0 million from existing business , partially offset by a decrease of $ 22.5 million from expired business and $ 0.3 million from business that converted from lease type contracts during the periods presented . existing business revenue increased $ 4.0 million , or 1.5 % , primarily due to change in contract terms for certain management type contracts , whereby the contract terms converted from a management type contract to a `` reverse `` management type contract , which typically has higher management fees from the client but require us to pay certain operating costs associated with the operation , and increased management fees . from a reporting segment perspective , management type contract revenue increased primarily due to increases in new/acquired business for commercial and aviation , existing business for commercial and other , and conversions in aviation , partially offset by decreases in expired business in commercial and aviation , existing business for aviation , and conversions in commercial . reimbursed management type contract revenue reimbursed management type contract revenue increased $ 13.8 million , or 2.0 % , to $ 693.0 million for the year ended december 31 , 2018 , compared to $ 679.2 million in the prior year . the slight increase resulted primarily from an increase in reimbursements for costs incurred on behalf of a client . segment cost of services information is summarized as follows : replace_table_token_8_th ( a ) the year ended december 31 , 2018 new/acquired business in commercial includes a $ 8.9 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rent expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( b ) the year ended december 31 , 2018 new/acquired business in aviation includes a $ 2.3 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rent expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( c ) the year ended december 31 , 2018 expired business in commercial includes a $ 0.3 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rental expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( d ) the year ended december 31 , 2018 existing business in commercial includes a $ 14.9 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rent expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( e ) the year ended december 31 , 2018 existing business in aviation includes a $ 107.1 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rent expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( f ) on november 30 , 2018 , we completed the acquisition . the year ended december 31 , 2018 new/acquired business in aviation includes bags cost of services - management type contracts , for the period of november 30 , 2018 through december 31 , 2018. see note 3. acquisition , which is included in part iv , item 15 . `` exhibits and financial statement schedules `` for further discussion of the acquisition . lease type contracts cost of services for lease type contracts decreased $ 140.8 million , or 27.2 % , to $ 377.6 million for the year ended december 31 , 2018 , compared to $ 518.4 million for the prior year . the decrease in cost of services for lease type contracts resulted primarily from decreases of $ 110.1 million from existing business , $ 30.6 million from expired business and $ 5.1 million from business that converted from management type contracts during the periods presented , partially

cash and cash equivalents we had cash and cash equivalents of $ 24.1 million at december 31 , 2019 , compared to $ 39.9 million at december 31 , 2018 . the cash balances reflect our ability to utilize funds deposited into our local bank accounts . cash and cash equivalents that are restricted as to withdrawal or use under the terms of certain contractual agreements were $ 0.5 million and $ 1.7 million as of december 31 , 2019 and 2018 , respectively , and are included within cash and cash equivalents within the consolidated balance sheets . availability , timing of deposits and the subsequent movement of cash into our corporate bank accounts may result in significant changes to our cash balances . summary of cash flows replace_table_token_11_th operating activities our primary sources of funds are cash flows from operating activities and changes in operating assets and liabilities . net cash provided by operating activities totaled $ 76.0 million for 2019 , compared to $ 70.9 million for 2018 . cash provided during 2019 included $ 91.7 million from operations , partially offset by changes in operating assets and liabilities that resulted in a use of $ 15.7 million .


 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.
     ```cash and cash equivalents we had cash and cash equivalents of $ 24.1 million at december 31 , 2019 , compared to $ 39.9 million at december 31 , 2018 . the cash balances reflect our ability to utilize funds deposited into our local bank accounts . cash and cash equivalents that are restricted as to withdrawal or use under the terms of certain contractual agreements were $ 0.5 million and $ 1.7 million as of december 31 , 2019 and 2018 , respectively , and are included within cash and cash equivalents within the consolidated balance sheets . availability , timing of deposits and the subsequent movement of cash into our corporate bank accounts may result in significant changes to our cash balances . summary of cash flows replace_table_token_11_th operating activities our primary sources of funds are cash flows from operating activities and changes in operating assets and liabilities . net cash provided by operating activities totaled $ 76.0 million for 2019 , compared to $ 70.9 million for 2018 . cash provided during 2019 included $ 91.7 million from operations , partially offset by changes in operating assets and liabilities that resulted in a use of $ 15.7 million .
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 Suspicious Activity Report : only 56 % of total revenue ( excluding reimbursed management type contract revenue ) for the year ended december 31 , 2019 , however , was from management type contracts because , under those contracts , the revenue collected from customers belongs to our clients . therefore , gross profit and total general and administrative expense , rather than revenue , are management 's primary focus . we believe that sophisticated clients ( which also include property owners ) recognize the potential for parking services , parking management , ground transportation services , baggage handling services and other ancillary services to be a profit generator and or a service differentiator to their customers . by outsourcing these services , they are able to capture additional profit and customer experience by leveraging the unique operational skills and controls that an experienced services company can offer . our ability to consistently deliver a uniformly high level of services to our clients , including the use of various technological enhancements , allows us to maximize the profit and or customer experience to our clients and improves our ability to win contracts and retain existing clients . our focus on customer service and satisfaction is a key driver of our high retention rate , which was approximately 93 % and 88 % for the years ended december 31 , 2019 and 2018 , respectively . this retention rate captures facilities for the commercial segment . commercial segment facilities the following table reflects our commercial facilities ( by contractual type ) operated at the end of the years indicated : replace_table_token_3_th ( 1 ) includes partial ownership in one leased facility for 2019 , 2018 and 2017 . 21 revenue we recognize services revenue from lease and management type contracts as the related services are provided . substantially all of our revenue comes from the following two sources : lease type contracts . consists of all revenue received at lease type locations , including gross receipts ( net of local taxes ) , consulting and real estate development fees , gains on sales of contracts and payments for exercising termination rights . revenue from lease type contracts includes a reduction of services revenue - lease type contracts due to the adoption of topic 853 , which requires rental expense for the periods after january 1 , 2018 be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . management type contracts . consists of management fees , including fixed , variable and or performance-based fees , and amounts attributable to ancillary services such as accounting , equipment leasing , baggage services , payments received for exercising termination rights , consulting , developmental fees , gains on sales of contracts , insurance and other value-added services with respect to managed type contracts . we believe we generally purchase required insurance at lower rates than our clients can obtain on their own because we effectively self-insure for all liability and worker 's compensation and health care claims by maintaining a large per-claim deductible . as a result , we have generated operating income on the insurance provided under our management type contracts by focusing on our risk management efforts and controlling losses . management type contract revenues do not include gross customer collections at managed type contracts as these revenues belong to the client rather than to us . management type contracts generally provide us with a management fee regardless of the operating performance of the underlying management type contract . reimbursed management type contract revenue . c onsists of the direct reimbursement from the client for operating expenses incurred under a management type contract , which are reflected in our revenue . cost of services our cost of services consists of the following : lease type contracts . consists of contractual rents or fees paid to the client and all operating expenses incurred in connection with operating the leased facility . contractual rents or fees paid to the client are generally based on either a fixed contractual amount or a percentage of gross revenue or a combination thereof . generally , under a lease type arrangement we are not responsible for major capital expenditures or real estate taxes . cost of services from lease type contracts includes a reduction of cost of services revenue - lease type contracts due to the adoption of topic 853 , which requires rental expense for the periods after january 1 , 2018 be presented as a reduction of services revenue - lease type contracts ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . management type contracts . the cost of services under a management type contract is generally the responsibility of the client . as a result , these costs are not included in our results of operations . however , our reverse management type contracts , which typically provide for larger management fees , do require us to pay for certain costs and those costs are included in our results of operations . reimbursed management type contract expense . c onsists of direct reimbursed costs incurred on behalf of a client under a management type contract , which are reflected in our cost of services . gross profit gross profit equals our revenue less the cost of generating such revenue . this is the key metric we use to examine our performance because it captures the underlying economic benefit to us of both lease and management type contracts . general and administrative expenses general and administrative expenses include salaries , wages , payroll taxes , insurance , travel and office related expenses for our headquarters , field offices , supervisory employees , and board of directors . story_separator_special_tag 2017-10 , service concession arrangements ( topic 853 ) , which requires rental expense to be presented as a reduction of services revenue - lease type contracts versus the comparative period presentation of recording rent expense as an increase to cost of services - lease type contracts for that business ( and corresponding contracts ) meeting the criteria and definition of a service concession arrangement , as discussed in note 5. revenue to the consolidated financial statements included in item 15 . `` exhibits and financial statement schedules `` , partially offset by net increases in short-term parking revenue , monthly parking revenue and transient parking revenue . from a reporting segment perspective , lease type contract revenue decreased primarily due to expired business in commercial , existing business in commercial and aviation , conversions in commercial , and new/acquired business in aviation , partially offset by increases from new/acquired business in commercial and existing business in other . 27 management type contracts management type contract revenue increased $ 13.3 million , or 3.8 % , to $ 361.5 million for the year ended december 31 , 2018 , compared to $ 348.2 million for the prior year . the increase in management type contract revenue resulted primarily from increases of $ 32.1 million from new/acquired business , and $ 4.0 million from existing business , partially offset by a decrease of $ 22.5 million from expired business and $ 0.3 million from business that converted from lease type contracts during the periods presented . existing business revenue increased $ 4.0 million , or 1.5 % , primarily due to change in contract terms for certain management type contracts , whereby the contract terms converted from a management type contract to a `` reverse `` management type contract , which typically has higher management fees from the client but require us to pay certain operating costs associated with the operation , and increased management fees . from a reporting segment perspective , management type contract revenue increased primarily due to increases in new/acquired business for commercial and aviation , existing business for commercial and other , and conversions in aviation , partially offset by decreases in expired business in commercial and aviation , existing business for aviation , and conversions in commercial . reimbursed management type contract revenue reimbursed management type contract revenue increased $ 13.8 million , or 2.0 % , to $ 693.0 million for the year ended december 31 , 2018 , compared to $ 679.2 million in the prior year . the slight increase resulted primarily from an increase in reimbursements for costs incurred on behalf of a client . segment cost of services information is summarized as follows : replace_table_token_8_th ( a ) the year ended december 31 , 2018 new/acquired business in commercial includes a $ 8.9 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rent expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( b ) the year ended december 31 , 2018 new/acquired business in aviation includes a $ 2.3 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rent expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( c ) the year ended december 31 , 2018 expired business in commercial includes a $ 0.3 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rental expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( d ) the year ended december 31 , 2018 existing business in commercial includes a $ 14.9 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rent expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( e ) the year ended december 31 , 2018 existing business in aviation includes a $ 107.1 million reduction of cost of services - lease type contracts due to the adoption of topic 853 , which requires rent expense for the current period be presented as a reduction of services revenue - lease type contracts for that business ( and corresponding contracts ) that meet the criteria and definition of a service concession arrangement . ( f ) on november 30 , 2018 , we completed the acquisition . the year ended december 31 , 2018 new/acquired business in aviation includes bags cost of services - management type contracts , for the period of november 30 , 2018 through december 31 , 2018. see note 3. acquisition , which is included in part iv , item 15 . `` exhibits and financial statement schedules `` for further discussion of the acquisition . lease type contracts cost of services for lease type contracts decreased $ 140.8 million , or 27.2 % , to $ 377.6 million for the year ended december 31 , 2018 , compared to $ 518.4 million for the prior year . the decrease in cost of services for lease type contracts resulted primarily from decreases of $ 110.1 million from existing business , $ 30.6 million from expired business and $ 5.1 million from business that converted from management type contracts during the periods presented , partially

