Payback Period and NPV: Taxes and Straight-Line Depreciation Assume that United Technologies Corporation is evaluating a proposal to change the com pany's manual design system to a computer-aided design (CAD) system. The proposed system is expected to save 13.500 design hours per year; an operating cost savings of $55 per hour. The annual cash expenditures of operating the CAD system are estimated to be $300,000. The CAD system requires an initial investment of $750.000. The estimated life of this system is five years -31. with no salvage value. The tax rate is 35 percent, and United Technologies uses straight-line de- preciation for tax purposes. United Technologies has a cost of capital of 14 percent. REQUIRED a. Compute the annual after-tax cash flows related to the CAD project. b. Compute each of the following for the project: l. Payback period. 2. Net present value