Five different methods can be used for recovering by-product heavy metals from a manufacturing site's liquid waste. The investment costs and incomes a associated with each method are shown. Assuming all methods have a 10- year life and the company's MARR is 10% per year, determine which one method should be selected using ROR evaluation. METHOD METHOD METHOD METHOD METHOD 1 2 3 4 5 First Cost, $ -15000 - 18000 -25000 -35000 -52000 Annual Income, $ 4000 5000 7000 9000 12000