our operating cash flows are significantly impacted by the seasonality of our businesses .
we typically generate most of our operating cash flow in the third and fourth quarters of each year .
in june 2015 , we issued $ 900 million of senior notes in a registered public offering .
the senior notes consist of two tranches : $ 400 million of five-year notes due 2020 with a coupon of 3% ( 3 % ) and $ 500 million of ten-year notes due 2025 with a coupon of 4% ( 4 % ) .
we used the proceeds from the senior notes offering to pay down our revolving credit facility and for general corporate purposes .
on december 31 , 2017 , the outstanding amount of the senior notes , net of underwriting commissions and price discounts , was $ 892.6 million .
cash flows below is a summary of cash flows for the years ended december 31 , 2017 , 2016 and 2015 .
( in millions ) 2017 2016 2015 .

<i>(In millions)</i>
2017
2016
2015
Net cash provided by operating activities
$600.3
$650.5
$429.2
Net cash used in investing activities
(287.7)
(385.1)
(766.6)
Net cash (used in) provided by financing activities
(250.1)
(250.4)
398.8
Effect of foreign exchange rate changes on cash
9.0
(2.0)
(14.8)
Net increase in cash and cash equivalents
$71.5
$13.0
$46.6

net cash provided by operating activities was $ 600.3 million in 2017 compared to $ 650.5 million in 2016 and $ 429.2 million in 2015 .
the $ 50.2 million decrease in cash provided by operating activities from 2017 to 2016 was primarily due to higher build in working capital , primarily driven by higher inventory purchases in 2017 , partially offset by a higher net income .
the $ 221.3 million increase in cash provided by operating activities from 2015 to 2016 was primarily due to a reduction in working capital in 2016 compared to 2015 and higher net income .
net cash used in investing activities was $ 287.7 million in 2017 compared to $ 385.1 million in 2016 and $ 766.6 million in 2015 .
the decrease of $ 97.4 million from 2016 to 2017 was primarily due lower cost of acquisitions of $ 115.1 million , partially offset by $ 15.7 million of higher capital expenditures .
the decrease of $ 381.5 million from 2015 to 2016 was primarily due the decrease in cost of acquisitions of $ 413.1 million , partially offset by $ 20.8 million of higher capital spending .
net cash used in financing activities was $ 250.1 million in 2017 compared to net cash used in financing activities of $ 250.4 million in 2016 and net cash provided by in financing activities of $ 398.8 million in 2015 .
the change of $ 649.2 million in 2016 compared to 2015 was primarily due to $ 372.8 million of higher share repurchases and lower net borrowings of $ 240.8 million .
pension plans subsidiaries of fortune brands sponsor their respective defined benefit pension plans that are funded by a portfolio of investments maintained within our benefit plan trust .
in 2017 , 2016 and 2015 , we contributed $ 28.4 million , zero and $ 2.3 million , respectively , to qualified pension plans .
in 2018 , we expect to make pension contributions of approximately $ 12.8 million .
as of december 31 , 2017 , the fair value of our total pension plan assets was $ 656.6 million , representing funding of 79% ( 79 % ) of the accumulated benefit obligation liability .
for the foreseeable future , we believe that we have sufficient liquidity to meet the minimum funding that may be required by the pension protection act of 2006 .
foreign exchange we have operations in various foreign countries , principally canada , china , mexico , the united kingdom , france , australia and japan .
therefore , changes in the value of the related currencies affect our financial statements when translated into u.s .
dollars. .

Question: Analyse this data from a financial earnings document. what was the ratio of the net cash provided by operating activities to the net cash used in investing activities in 2017
Choices:
-2.08655
172706.31
0.47926
0.01043
2.08655
Correct choice index: 4