CAM Co. is evaluating a project requiring a capital expenditure of $619,200. The project has an estimated life of four years and no salvage value. The estimated net income and net cash flow from the project are as follows: Year Net Income Net Cash Flow 1 $ 65,000 $240,000 2 92,000 260,000 3 100,000 160,000 4 52,600 70,000 $309,600 $730,000 ======== ======== The company's minimum desired rate of return is 12%. The present value of $1 at compound interest of 12% for 1, 2, 3, and 4 years is .893, .797, .712, and .636, respectively. Determine: (a) the average rate of return on investment, giving effect to depreciation on the investment, and (b) the net present value