Carper Company is considering a capital investment of $352,800 in additional productive facilities. The new machinery is expected to have useful life of 6 years with no salvage value. Depreciation is by the straight-line method. During the life of the investment, annual net income and net annual cash flows are expected to be $17,640 and $84,000, respectively. Carper has an 9% cost of capital rate, which is the required rate of return on the investment.

(a) Compute the cash payback period.

(b) Using the discounted cash flow technique, compute the net present value.