Re: First time poster with a question
Hermes, it sounds like when they say, "as part of a bunch of assigned problems" that this may be a case scenario for a class...
You can do all the calculations with a financial calculator like an HP 12C. You can also use an Excel spreadsheet to make all the calculations as well, assuming you understand the same variables used for the calculator.
For example, $72,000 per year 25 years from now would be worth $34,388 per year in today's dollars. After 20 retirement years that drops to $19,040 in today's dollars.
The biggest mistake with inflation is assuming a rate like 3%, because it is based on CPI. The problem is, everyone has their own personal inflation rate. If you buy a lot of technology, for example, your rate might be upwards of 5%. College is rising at a 6% clip. If your assumption in this area is wrong, you could severely cripple your retirement savings (or, at least, have a lot less money than you thought you would).
Once you retire, in the USA you typically have considerable healthcare costs throughout retirement. Most retirees here are experiencing 5 or 6% inflation rates when all retirement costs are considered (some even higher than that). So while that $35k annual payment might even be doable, the fact is that at 6% inflation that $19k is more like $11k. Try living on that! So much for being a millionaire...!
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