{"pre_text": ["we have adequate access to capital markets to meet any foreseeable cash requirements , and we have sufficient financial capacity to satisfy our current liabilities .", "cash flows millions 2014 2013 2012 ."], "post_text": ["operating activities higher net income in 2014 increased cash provided by operating activities compared to 2013 , despite higher income tax payments .", "2014 income tax payments were higher than 2013 primarily due to higher income , but also because we paid taxes previously deferred by bonus depreciation ( discussed below ) .", "higher net income in 2013 increased cash provided by operating activities compared to 2012 .", "in addition , we made payments in 2012 for past wages as a result of national labor negotiations , which reduced cash provided by operating activities in 2012 .", "lower tax benefits from bonus depreciation ( as discussed below ) partially offset the increases .", "federal tax law provided for 100% ( 100 % ) bonus depreciation for qualified investments made during 2011 and 50% ( 50 % ) bonus depreciation for qualified investments made during 2012-2013 .", "as a result , the company deferred a substantial portion of its 2011-2013 income tax expense , contributing to the positive operating cash flow in those years .", "congress extended 50% ( 50 % ) bonus depreciation for 2014 , but this extension occurred in december and did not have a significant benefit on our income tax payments during 2014 .", "investing activities higher capital investments , including the early buyout of the long-term operating lease of our headquarters building for approximately $ 261 million , drove the increase in cash used in investing activities compared to 2013 .", "significant investments also were made for new locomotives , freight cars and containers , and capacity and commercial facility projects .", "capital investments in 2014 also included $ 99 million for the early buyout of locomotives and freight cars under long-term operating leases , which we exercised due to favorable economic terms and market conditions .", "lower capital investments in locomotives and freight cars in 2013 drove the decrease in cash used in investing activities compared to 2012 .", "included in capital investments in 2012 was $ 75 million for the early buyout of 165 locomotives under long-term operating and capital leases during the first quarter of 2012 , which we exercised due to favorable economic terms and market conditions. ."], "table": [["cash flowsmillions", "2014", "2013", "2012"], ["cash provided by operating activities", "$ 7385", "$ 6823", "$ 6161"], ["cash used in investing activities", "-4249 ( 4249 )", "-3405 ( 3405 )", "-3633 ( 3633 )"], ["cash used in financing activities", "-2982 ( 2982 )", "-3049 ( 3049 )", "-2682 ( 2682 )"], ["net change in cash and cashequivalents", "$ 154", "$ 369", "$ -154 ( 154 )"]], "table_ori": [["<i>Cash Flows</i><i>Millions</i>", "<i>2014</i>", "<i>2013</i>", "<i>2012</i>"], ["Cash provided by operating activities", "$7,385", "$6,823", "$6,161"], ["Cash used in investing activities", "(4,249)", "(3,405)", "(3,633)"], ["Cash used in financing activities", "(2,982)", "(3,049)", "(2,682)"], ["Net change in cash and cashequivalents", "$154", "$369", "$(154)"]]}

Question: what was the percentage change in cash provided by operating activities from 2013 to 2014?
Evidence:
table_1: cash flowsmillions the cash provided by operating activities of 2014 is $ 7385 ; the cash provided by operating activities of 2013 is $ 6823 ; the cash provided by operating activities of 2012 is $ 6161 ;
Program: subtract(7385, 6823), divide(#0, 6823)
Answer:
str_answer: 8%
exe_answer: 0.08237