【单选题】Which of the following statements is CORRECT?
A.
Most rapidly growing companies have positive free cash flows because cash flows from existing operations generally exceed fixed asset purchases and changes to net operating working capital.
B.
Changes in working capital have no effect on free cash flow.
C.
Free cash flow (FCF) is defined as follows: FCF = EBIT(1 - T) + Depreciation - Capital expenditures required to sustain operations - Required changes in net operating working capital.
D.
Free cash flow (FCF) is defined as follows: FCF = EBIT(1 - T) + Capital expenditures.