If a project has a net present value equal to zero, then: A. the total of the cash inflows must equal the initial cost of the project. B. the project earns a return exactly twice to the internal return rate. C. a decrease in the project's initial cost will cause the project to have a negative NPV. OD. any delay in receiving the projected cash inflows will cause the project to have a positive NPV. E. the project's Pl must be also be equal to one