35% ( 35 % ) due primarily to certain undistributed foreign earnings for which no u.s . taxes are provided because such earnings are intended to be indefinitely reinvested outside the u.s . as of september 24 , 2011 , the company had deferred tax assets arising from deductible temporary differences , tax losses , and tax credits of $ 3.2 billion , and deferred tax liabilities of $ 9.2 billion . management believes it is more likely than not that forecasted income , including income that may be generated as a result of certain tax planning strategies , together with future reversals of existing taxable temporary differences , will be sufficient to fully recover the deferred tax assets . the company will continue to evaluate the realizability of deferred tax assets quarterly by assessing the need for and amount of a valuation allowance . the internal revenue service ( the 201cirs 201d ) has completed its field audit of the company 2019s federal income tax returns for the years 2004 through 2006 and proposed certain adjustments . the company has contested certain of these adjustments through the irs appeals office . the irs is currently examining the years 2007 through 2009 . all irs audit issues for years prior to 2004 have been resolved . in addition , the company is subject to audits by state , local , and foreign tax authorities . management believes that adequate provisions have been made for any adjustments that may result from tax examinations . however , the outcome of tax audits cannot be predicted with certainty . if any issues addressed in the company 2019s tax audits are resolved in a manner not consistent with management 2019s expectations , the company could be required to adjust its provision for income taxes in the period such resolution occurs . liquidity and capital resources the following table presents selected financial information and statistics as of and for the three years ended september 24 , 2011 ( in millions ) : .

Table:
 | 2011 | 2010 | 2009
cash cash equivalents and marketable securities | $ 81570 | $ 51011 | $ 33992
accounts receivable net | $ 5369 | $ 5510 | $ 3361
inventories | $ 776 | $ 1051 | $ 455
working capital | $ 17018 | $ 20956 | $ 20049
annual operating cash flow | $ 37529 | $ 18595 | $ 10159
cash , cash equivalents and marketable securities increased $ 30.6 billion or 60% ( 60 % ) during 2011 .
the principal components of this net increase was the cash generated by operating activities of $ 37.5 billion , which was partially offset by payments for acquisition of property , plant and equipment of $ 4.3 billion , payments for acquisition of intangible assets of $ 3.2 billion and payments made in connection with business acquisitions , net of cash acquired , of $ 244 million .
the company believes its existing balances of cash , cash equivalents and marketable securities will be sufficient to satisfy its working capital needs , capital asset purchases , outstanding commitments and other liquidity requirements associated with its existing operations over the next 12 months .
the company 2019s marketable securities investment portfolio is invested primarily in highly rated securities and its policy generally limits the amount of credit exposure to any one issuer .
the company 2019s investment policy requires investments to generally be investment grade with the objective of minimizing the potential risk of principal loss .
as of september 24 , 2011 and september 25 , 2010 , $ 54.3 billion and $ 30.8 billion , respectively , of the company 2019s cash , cash equivalents and marketable securities were held by foreign subsidiaries and are generally based in u.s .
dollar-denominated holdings .
amounts held by foreign subsidiaries are generally subject to u.s .
income taxation on repatriation to the u.s .
capital assets the company 2019s capital expenditures were $ 4.6 billion during 2011 , consisting of approximately $ 614 million for retail store facilities and $ 4.0 billion for other capital expenditures , including product tooling and manufacturing .

Question: what is the percentage change in annual operating cash flow from 2009 to 2010?
Answer: 83%
Calculation: subtract(18595, 10159), divide(#0, 10159)