Which of the following statements is CORRECT? Net cash provided $($used$)$ by operations is the same as free cash flow $($FCF$).$ A shortcut to calculate free cash flow $($FCF$)$ is defined as follows:

FCF $=$ Net income $+$ Depreciation and Amortization. Free cash flow $($FCF$)$ is defined as follows:

FCF $=$ EBIT$(1$ T$)$

$+$ Depreciation and Amortization

$$ Capital expenditures required to sustain operations

$$ Required changes in net operating working capital. Changes in working capital have no effect on free cash flow. Free cash flow $($FCF$)$ is defined as follows:

FCF $=$ EBIT$(1$ T$)+$ Depreciation and Amortization $+$ Capital expenditures.