determine the most economic alternative using AW analysis at 12% per year. Give an explanation and draw the results.
Extracted text: TABLE 8.1 Competing Alternatives with Three Estimates for Selected Parameters First Salvage Value, $ Life Cost, $ АОС, $ п, Strategy Years Alternative A P - 20,000 -11,000 3 Estimates ML - 20,000 -9,000 5 - 20,000 -5,000 8 Alternative B P - 15,000 500 -4,000 Estimates ML -15,000 1,000 -3,500 4 -15,000 2,000 -2,000 7 Alternative C P - 30,000 3,000 -8,000 3 Estimates ML - 30,000 3,000 -7,000 7 - 30,000 3,000 -3,500 P = pessimistic; ML = most likely; O = optimistic.