Carper was presented with a second capital investment that provided similar production facilities as the first one. This investment cost $395,000, had a useful life of 7 years with a salvage value of $15,000. 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 $22,960 and $79,000 respectively. Carper's 8% cost of capital is also the required rate of return on the investment. Compute the cash payback period. (Round answer to 0 decimal places, e.g. 25.) Cash payback period years