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