Project A requires an original investment of $57,900. The project will yield cash flows of $16,800 per year for 7 years. Project B has a computed net present value of $2,940 over a 4-year life. Project A could be sold at the end of 4 years for a price of $16,600. Below is a table for the present value of $1 at compound interest. Below is a table for the present value of an annuity of $1 at compound interest. Use the tables above. a. Using the tables above, determine the net present value of Project A over a 4-year life with salvage value assuming a minimum rate of return of 12%. Round your answer to two decimal places. Enter negative values as negative numbers. $ b. Which project provides the greatest net present value