4. A manufacturing process can be designed for varying degrees of automation. The following is relevant cost information: A B D 20.000 10,000 9,000 14,000 7,500 30,000 3,000 5.000 First Cost (Capital Investment) Annual Labor Expense Annual Power and Maintenance Expense Useful life(yrs.) Salvage Value 500 800 1,000 8 5 6 1,500 10 5,000 1,300 1,600 2,100 MARR=6%, Depreciation SL-Classical (For all alternatives). TAX-40% Determine which is the best using ATCF-AW