What is the annual equal amount of money you have to set aside to guarantee yourself an annual income to perpetuity of $65,000 starting in 41 years from now? You make the first payment in two years from now and the last payment in 40 years. Assume an interest rate of 4% (EAR).
Step 1: | |
The first step is to find out the amount that should be available at the beginning of the 40th year to be able to pay a perpetuity of $65000 = 65000/0.04 = | $ 1,625,000 |
Step 2: | |
The second step is to find the amount to be paid from t2 to t40, a total of 39 instalments whose FV should be $1625000. | |
So 1625000=A*FVIFA(4,39) | |
where A=the yearly amount to be deposited. | |
Solving for A | |
1625000 = A*90.4091 | |
A = 1625000/90.4091 = $17,973,.85 |
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