Relative to Cash Flows Affecting Net Working Capital, All of the Following

Relative to cash flows affecting net working capital, all of the following are true EXCEPT

A) cash inflows are generally more predictable than cash outlays.
B) cash outlays for current liabilities are relatively predictable.
C) the more predictable the cash inflows, the less net working capital a firm needs.
D) because most firms are unable to match cash inflows to outflows with certainty, current assets that more than cover outflows for current liabilities are necessary.