The management of River Corporation is considering the purchase of a new machine costing $380,000. The company's desired rate of return is 6%. The present value factor for an annuity of $1 at interest of 6% for 5 years is 4.212. In addition to the foregoing information, use the following data in determining the acceptability of this investment: Operating Net Cash Year Income Flow 1 $20,000 $95,000 2 20,000 95,000 3 20,000 95,000 4 20,000 95,000 5 20,000 95,000 The average rate of return (rounded to one decimal place) for this investment is Oa. 25.5% Ob. 15.5% c. 5.5% Od. 10.5% Following is a table for the present value of $1 at compound interest: Year 6% 10% 12% 1 0.943 0.909 0.893 2 0.890 0.826 0.797 3 0.840 0.751 0.712 4 0.792 0.683 0.636 5 0.747 0.621 0.567 Following is a table for the present value of an annuity of $1 at compound interest: Year 6% 10% 12% 1 0.943 0.909 0.893 2 1.833 1.736 1.690 3 2.673 2.487 2.402 4 3.465 3.170 3.037 5 4.212 3.791 3.605 Using the tables provided, if an investment is made now for $20,000 that will generate a cash inflow of $7,000 a year for the next 4 years, the present value of the investment cash inflows, assuming an earnings rate of 12%, is Oa. $3,969 b. $20,352 c. $21,259 Od. $22,190 Following is a table for the present value of $1 at compound interest: Year 6% 10% 12% 1 0.943 0.909 0.893 2 0.890 0.826 0.797 3 0.840 0.751 0.712 4 0.792 0.683 0.636 5 0.747 0.621 0.567 Following is a table for the present value of an annuity of $1 at compound interest: Year 6% 10% 12% 1 0.943 0.909 0.893 2 1.833 1.736 1.690 3 2.673 2.487 2.402 4 3.465 3.170 3.037 5 4.212 3.791 3.605 Using the tables provided, the present value of $25,000 (rounded to the nearest dollar) to be received 4 years from today, assuming an earnings rate of 10%, is a. $15,525 b. $19,800 c. $79,250 Od. $17,075