Yappy Company is considering a capital investment of $320,000 in additional equipment. The new equipment is expected to have a useful life of 8 years with no salvage value. Depreciation is computed by the straight-line method. During the life of the investment, annual net income and cash inflows are expected to be $22,000 and $62,000, respectively. Yappy requires a 10% return on all new investments.

Present Value of an Annuity of 1
Period 8% 9% 10% 11% 12% 15%
8 5.747 5.535 5.335 5.146 4.968 4.487

Compute each of the following:
a. Cash payback period.
b. Net present value.
c. Profitability index.
d. Internal rate of return.
e. Annual rate of return.