Great Plains Railroad Inc. is considering acquiring equipment at a cost of $450,000. The equipment has an estimated life of 10 years and no residual value. It is expected to provide yearly net cash flows of $75,000. The company's minimum desired rate of return for net present value analysis is 10%. Present Value of an Annuity of $1 at Compound Interest Compute the following: a. The average rate of return, giving effect to straight-line depreciation on the investment. If required, b. The cash payback period. c. The net present value. Use the above table of the present value of an annuity of $1. Round to the nearest dollar