1. Two 100-horsepower motors are being considered for use in the following table: Brand A Brand X P1,900 P6,200 10 10 None None Purchase Price Useful life in years Market Value Annual Maintenance Expense Efficiency P170 80% P310 90% a. If the power costs P0.10 per kWh, and the interest rate is 12% per year, how many hours of operation per year are required to justify the purchase of Brand X? (1hp = 0.746 kW) (20 points) b. Given your answer in Part (a), which motor would you select if the motor is expected to operate 2000 hours per year? (10 points)