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a) Use Present Worth method to compare between the three alternatives A, B and C at (MARR=12% per year) Assume Repeatability is applicable. A B Project Investment cost Annual Revenues $100,000 $40,000 per year $50,000 $ 20,000 and increase by 5% each year $7,000 $30,000 $5,000 and increase by $1000 per year starting at end of year 4 $20,000 Annual $5,000 expenses Salvage value Useful life $20,000 $10,000 4 years 6 years 12 years