6a. A common mistake is to wait to invest for retirement. We will assume that we are investing in large-cap stocks (a somewhat risky class of investments) that earn an average of 13% annually. Suppose you invest $50 per month, how much will you have after 20, 30, and 40 years?

N	I/Y	PV	PMT	FV

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6b. Suppose you invest $50 per month for the first 10 years and then increase your investment to $200 per month, how much will you have after 20, 30, and 40 years? Use the rate from the previous problem.

N	I/Y	PV	PMT	FV

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