In Cash Flow Calculations,Cash Flow Sign Convention Requires Us to

In cash flow calculations,Cash Flow Sign Convention requires us to

A) assign a positive sign in front of cash inflows and a negative sign in front of cash outflows.
B) assign a negative sign in front of cash inflows and a positive sign in front of cash outflows.
C) assign a positive sign in front of both cash inflows and cash outflows.
D) assign no signs. None of the cash flows need signs assigned to them.