a) Use Repeatability Assumption to compare between three alternatives X, Y and Z at
(MARR=18% per year).
Project
A B C
Investment cost $90,000 $50,000 $35,000
Production rate per year 20,000 24,000 18,000
Price per unit $6 $2.8 $4
Annual expenses $6,000 $5,000 $4,000
Salvage value $10,000 $18,000
Useful life (years) 2 3 6