4. After retirement, you expect to live for 25 years. You would like to have $75,000 income each year. How much should you have saved in your retirement account to receive this income, if the annual interest rate is 9 % per year? (Assume that the payments start on the day of your retirement.
This can be solved using the Present value of annuity due formula |
Present value of annuity due is = P+[P*(1-(1+r)^-(n-1))/r] |
"P" is Annual income for each year = $ 75,000/. |
"r" is Annual interest rate = 9% |
"n" is No of years = 25 |
Present value of annuity due is = Savings |
Present value is = 75000+[75000*(1-(1+0.09)^-(25-1))/0.09] |
Present value is = 75000+[75000*9.706612] |
Present value is = 75000+[727995.88] |
Present value is = $ 802,995.88/. |
Hence $ 802,996/. have saved in retirement account |
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