dont use excel solve using hand

Question 1: A metal plating company is considering three different mutually exclusive methods for recovering by-product heavy metals from a manufacturing site's liquid waste. The investment costs, annual net incomes, and salvage values associated with each method have been estimated as shown below. All methods have an 8-year life and the MARR is 15% per year: A B First Cost -36,000 -53,000 Annual Income 5,000 10,500 Salvage Value 2,000 -2,000 Use the ROR analysis to select the best alternative. -41,000 8,000 500