A metal-plating company is considering four different methods for recovering by-product heavy metals from a manufacturing site's liquid waste. The investment costs and annual net incomes associated with each method have been estimated. All methods have an 8-year life; the MARR is 11% per year, and an AV-based ROR analysis is required. First Cost, $ Salvage Value, $ Income, $/Year Method -30,000 -36,000 -41,000 -53,000 +1000 20005 +500 -2000 +4000 +5000 +8000 +10,500 If the methods are independent (because they can be implemented at different plants), which ones are acceptable? Method A is ((Click to selec)) Method B is (--. Method C is (Click to select). Method D is ((Click to select