Calculate by hand...

Three mutually exclusive alternatives are being considered for the production equipment at a tissue paper factory. The firm's MARR is 6% per year. The estimated cash flows for each alternative are the following. (20ptos) Alternative A B C Capital investment $2,000,000 $4,200,000 $7,000,000 Annual revenues $3,200,000 $6,000,000 $8,000,000 Annual costs $2,100,000 $4,000,000 $5,100,000 Market value at $100,000 $420,000 $600,000 end of useful life Useful life (years) 6 6 6 a. What is the Present Worth of Alternative A,B and C? b. Which alternative should be selected