TV100 Spart A cost analysis is to be made to determine what, if ything, should be done in a situation offering three omething and one "do-nothing" alternatives. utes of the cost and benefits are as follows. U.S. Wine do-something Estimates of the Problems 191 Uniform End-of- Useful Annual Useful-Life Life Alternatives Cost Benefit Salvage Value (years) $ 0 300 $450 550 800 0 $150 125 135 0 250 Use an 8-year analysis period. At the end of 4 years, Alternatives 1 and 2 may be replaced with identical alternatives. Which alternative should be selected? (a) If a 7% interest rate is used? (b) If a 14% interest rate is used? doto use present worth analysis