Problems/short answer (point values as noted) (20 pts) 1. A company is considering some new testing equipment, and can choose between three mutually exclusive alternatives. The first alternative has a first cost of $5000, a uniform annual benefit of $1500, a salvage value of $700, and a life of 8 years. The second has a first cost of $3500, a benefit of S900 the first year, and increasing by S200 per year thereafter. Its salvage value is $500, and has an estimated life of 6 years. The third alternative has a first cost of $8000, a benefit of ing by 2% each year thereafter. Its salvage value is S1000 and it's estimated to have a 12-year life. Use incremental rate of return analysis to determine which alternative is best if the company's MARR is 7%. You can do this manually or using Excel in either case, be sure to show all work! a. Plot the results on a graph for values of 1 from 0-50%, and construct a choice table. Assuming a MARR of 790, which alternative would you recommend? b. c. Are the results from part "a" and "b" consistent? Briefly discuss.. (in 1-2 sentences)