The Present Value of the Expected Net Cash Inflows of All

The present value of the expected net cash inflows of all the projects undertaken by a firm will most likely exceed the present value of the firm's expected net profit after tax, because:

A) income is reduced by taxes paid, but cash flow is not.
B) there is a greater probability of realizing the projected cash flows than the forecasted income.
C) income is reduced by dividends paid, but cash flow is not.
D) income is reduced by depreciation charges, but cash flows are not.
E) cash flows lead to changes in net working capital, but sales do not.