. Data for two 60-h motors are follows: Original Cost Annual Maintenance Life, years Efficiency Taxes and Insurance Alpha Motor 37,500 1,500 10 87% 3% Beta Motor 48,000 750 10 87% 3% Power cost is 2.00 per kWh. If money is worth 20%, how many hours per year would the motors have to be operated at full load for them to be equally economical? If the expected number of hours of operation per year exceeds the break-even point, which motor is more economical? (BREAK-EVEN Analysis)