Required information 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 AVV-based ROR analysis is required. nnual Net First Cost, $ 30,000 -36,000 -41,000 -53,000 Method Salvage Value, SIncome, $/Year +1000 2000 +500 -2000 +4000 +5000 +8000 If the methods are independent (because they can be implemented at different plants), which ones are acceptable? Method A is (Cick to select) Method B is (Click to select) Method C is (Cick to select) Method D is (Click to select)