Current Attempt in Progress Apple Inc. reported the following amounts (in U.S. $ millions) in its financial statements: 2018 2017 Cash provided by operating activities $77,434 $64,225 Cash provided (used) by investing activities 16,066 (46,446) Cash used by financing activities (87,876) (17,974) Net capital expenditures 13,313 12,451 Dividends paid 13,712 12,769 (c) Calculate the company's free cash flow for each of 2018 and 2017