Data for two 50-hr motors are follows: Original Cost Annual Maintenance Life, years Kawasaki Motor 48,000 750 10 Efficiency 92% Taxes and Insurance 3% The cost of electricity per kilowatt-hour is two dollars. If money has a value of 20%, how many hours per year must the motors run at full load to be equally economical? Which motor is more affordable if the predicted number of operating hours per year is more than the break-even point? a. Calculate the power consumption of Honda Motors in terms of X. b. Calculate the power consumption of Kawasaki Motors in terms of X. c. Solve for the break-even point. Honda Motor 37,500 1,500 10 87% 3%

4. Calculate the present worth of a machine which costs $80000 initially and will have a $18000 salvage value after 11 years. The operating cost is $10000 at the end of yearl and amounts increasing by $800 each year. Use an interest rate of 9% per year.

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Econo-Cool air conditioners cost $320 to purchase, result in electricity bills of $154 per year, and last for 5 years. Luxury Air modeis cost $520, resuit in electricity bils of $108 per year, and last for 8 years. The discount rate is 25%. a. What is the equivalent annual cost of the Econo-Cool model? (Do not round intermediate calculations, Round your answers to 2 decimal pleces.) Econo-Cool Equivalent annual cost b. What is the equivalent annual cost of the Luxury Air model? (Do not round intermediete calculations. Round your answers to 2 decimal pleces.) Luxury Air Equivalent annual cost