Which of the following is true about the net present value method of evaluating investment projects? Working capital is ordinarily treated as a cash inflow at the beginning of the project and a cash outfiow at the end of a project Cost savings related to a project are ordinarily treated as cash intlows Depreciation is ordinarily treated as an annual cash outflow The salvage value of new equipment purchased for a project is ordinarily treated as a cash outflow at the end of a project