Spanish Peaks Railroad Inc. is considering acquiring equipment at a cost of $504,000. The equipment has an estimated life of 10 years and no residual value. It is expected to provide yearly net cash flows of $63,000. The company's minimum desired rate of return for net present value analysis is 15%.Present Value of an Annuity of $1 at Compound InterestYear 6% 10% 12% 15% 20%1 0.943 0.909 0.893 0.870 0.8332 1.833 1.736 1.690 1.626 1.5283 2.673 2.487 2.402 2.283 2.1064 3.465 3.170 3.037 2.855 2.5895 4.212 3.791 3.605 3.353 2.9916 4.917 4.355 4.111 3.785 3.3267 5.582 4.868 4.564 4.160 3.6058 6.210 5.335 4.968 4.487 3.8379 6.802 5.759 5.328 4.772 4.03110 7.360 6.145 5.650 5.019 4.192Compute the following:a. The average rate of return, giving effect to straight-line depreciation on the investment. If required, round your answer to one decimal place.%b. The cash payback period. yearsc. The net present value. Use the above table of the present value of an annuity of $1. Round to the nearest dollar. If required, use a minus sign to indicate negative net present value for current grading purpose.