B Consider the following two mutually exclusive alternatives related to improvements project and recommend which one (if either) should be implemented. MARR (1) = 15% Machines A Investment $20,000 $ 30,000 Salvage value 4,000 annual receipts 10,000 14,000 annual costs 4,400 8,600 useful life (years) 5 10 Use the Annual Worth Method to determine the better alternative. A Either Machine A or B B Machine B Machine A Neither Machine A nor B