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Assume that you contribute $210 per month to a retirement plan for 15 years. Then you are able to increase the contribution to $420 per month for...
Assume that you contribute $210 per month to a retirement plan for 15 years. Then you are able to increase the contribution to $420 per month for another 25 years. Given a 6 percent interest rate, what is the value of your retirement plan after the 40 years?