What is the solution for the problem shown in the picture ?

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Now to pay for her basic country club membership expenses (including the $20,000 bond) over the next 30 years. She can earn an APR of 6%, compounded monthly, on her investments. What amount must this person now commit to the membership? (5.3) A large induced-draft fan is needed for an upgraded industrial process. The motor to drive this fan is rated at 100 horsepower, and the motor will operate at full load for 8,760 hours per year. The motor's j efficiency is 92%. Because the motor is fairly large, a demand charge of $92 per kilowatt per year will be incurred in addition to an energy charge of $0.08 per kilowatt-hour. If the installed cost of the motor is $4,000, what is the present worth of the motor over a 10-year i period when the MARR is 15% per year? A new municipal refuse-collection truck can be