Data for two 50-h motors are follows: Power cost is 2.00 per kWh. If money is worth 20%, how many hours per year would themotors have to be operated at full load for them to be equally economical? If...

Data for two 50-h motors are follows:

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? (Use ROR and AC and draw the breakeven chart)

Extracted text: Alpha Motor 37,500 Beta Motor Original Cost 48,000 Annual Maintenance 1,500 750 Life, years Efficiency Taxes and Insurance 10 10 87% 87% 3% 3%