5.15 Your friend is considering a new exhaust system for his Lamborghini Diablo. The estimates from two shops are shown below. Besides installation, shop Y includes a full replacement warranty for 4 years in the quote. Since money does not appear to be a problem for your friend, and he asked you about the economics of the two quotes, which should he choose based on annual worth values and an interest rate of 12% per year? Shop Installed cost, $ Total AOC, S/year Salvage value, s Life, years -1765 -1200 0 2 -2900 -900 800 4