2. North City must choose between two new snow-removal machines. The SuperBlower has a $70,000 first cost, a 20-year life, and an $8,000 salvage value. At the end of nine years, it needs a major overhaul costing $19,000. Annual maintenance and operating costs are $9,000. The Sno-Mover will cost $50,000, has an expected life of 10 years, and has no salvage value. The annual maintenance and operating costs are expected to be $12,000. Using a 12% interest rate, which machine should be chosen based on PW analysis? (15 pts)