Fill in each statement with the appropriate capital budgeting method: payback period, NPV, or IRR. . . . . . a. and incorporate the time value of money. b. focuses on time, not profitability. finds the discount rate that brings the investment's NPV to zero. e. In capital rationing decisions, the profitability index must be computed to compare investments requiring different initial investments when the method is used. f. ignores salvage value