yes excel is preferred

3.3 TT Racing and Performance Motors Corporation wishes to evaluate two alternative machines for NASCAR motor tune-ups. On the basis of AW value calculation, and an interest rate of 9% per year, recommend the machine that should be purchased (5-points). Machine R Machine S First cost, $ 250,000 370,500 Annual operating cost, $/year 40,000 50,000 Salvage value, $ 20,000 20,000 Life, years