Optional Question (4- (25 Points) Three alternatives have the following cost and annual benefit data associated with them: Data Alt. 1 Alt. 2 Alt.3 Useful Life, Years 10 10 10 First Cost $1,325,000 $1,980,000 $1,650,000 Annual Benefit 265,000 589,000 435,000 Annual M&O Costs 95,000 97,000 91,000 Annu a I M&O 2,300 2,100 1,980 Salvage Value 145,000 205,000 178,000 Loan Payment 150,946 225,565 187,971 The loan payments are calculated using an interest rate of 10%, a life equal to the life of the machine, and a down payment of 30%. Use a MARR of 12% and determine which machine, if any, should be purchased. Use incremental rate of return for your analysis. What is the payback period of all these projects? Explain