(a). By the end of this year you would be 35 years old and you want to plan for your retirement. You wish to retire at the age of 65 and you expect to live 20 years (I hope more) after retirement. Upon retirement you wish to have an annual sum of $50,000 to supplement your social security benefits. A conservative bond fund has been returning 7% annually and you decide to invest your retirement money in this fund. Assuming that the fund continues to return at least 7% during your planning horizon before and after retirement, how much should you invest in the fund starting from now, annually, in order to be able to withdraw $50,000 per year during your retirement? Now let’s extend the problem so that you protect yourself against inflation. 

(b).  Suppose you think if you were to retire right now you would have needed $50,000 each year to supplement your social security and maintain your desired life style. But because there is on average 3% annual inflation, when you retire in 30 years from now you need more than $50,000 per year to maintain the life style you like. (Hint: first calculate what future amount in 30 years is equivalent to $50,000 of now and then solve the rest of the problem)rn

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