Economics for engineer problem.

A metal plating compary is considering four different methods for recovering by-product heavy metals, from a manufacturing site's liquid waste investment costs and incomes associated with each method have been estimated. All methods have an 8-year life. The MARR is 11% per year Annual First Cost, Salvage Income, Value, $Syear Method -$30,000 $1,000 $4,000 $36,000 $2,000$5,000 $41,000 $500 $8,000 $53,000 $2,000 $10,500 Il the methods are independent, because they can be impiemented at difterent plants, which ones are acceptable? Start your analysis by filling the cash flows for each method into the following tables. METHOD B (CASH FLOW) METHOD A (CASH FLOw 0 1 4,000 2 4,000 3 4,000 4 4,000 5 4,000 6 4,000 7 4,000 1 6,000 2 5,000 3 6.000 4 5,000 5 5,000 6 5,000 7 5,000 RRa IRR