XYZ air conditioners cost $1400 to purchase, result in electricity bills of $700 per year, and last for 6 years, ABC air models cost $1600, result in electricity bills of $230 per year, and last for 9 years. The discount rate is 21%.
What are the equivalent annual costs of the XYZ and ABC air models?
XYZ costs $1400 and last 6 years. The annual rental fee with the sam PV is?_____
ABC costs $1600 and lasts 9 years. Its equivalent annual rental fee is found as ____
