Question: You are considering whether or not to replace the HVAC system in your home. You existing furnace and AC unit are very reliable, but at
You are considering whether or not to replace the HVAC system in your home. You existing furnace and AC unit are very reliable, but at the same time quite inefficiently. It will cost you $6000 today to replace, but you will be able to save $90 a month in energy costs. Both the existing and the new system are expected to last 10 years (120 months). Assume your personal discount rate is 8% a year with monthly compounding. How much, in present value terms, will you save if you decide to get a new HVAC system? Please, provide the calculator keystrokes.
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