What is not the cash flow timing conventions used in DCF?
A、A cash outlay to be incurred at the beginning of an investment project occurs in year 0.
B、A cash outlay, saving or inflow which occurs during the course of a time period is assumed to occur all at once at the end of the time period.
C、A cash outlay to be incurred at the end of an investment project occurs in year 0.
D、A cash outlay or receipt that occurs at the beginning of a time period is taken to occur at the end of the time period.