Here is a table for the present value of $1 at compound interest. Here is a table for the present value of an annuity of $1 at compound interest. Using the provided present value tables, if an investment is made now for $23,250 that will generate a cash inflow of $7,750 a year for the next four years, what would be the net present value of the investment, a5suming an earnings rate of 10% ? Round your answer to the nearest dollar. a. 57,750 b. 523,250 c. $24,568 d. 51,318