Mr. Aji has $ 500,000 invested at an interest rate of 5.5% per annum and now he wants to retire. He wants "immediately" to take out $ 45,000 at the start of each year.
Question
How many withdrawals (with each withdrawal of $ 45,000) can he make from his savings so that in the end he still leaves a balance of $ 50,000.
Answer:
Deposit Amount - $500,000
Withdrawal Amount - $45,000
Year | Deposit Amount after Withdrawal | Interest Amount | Balance Amount |
1 | 455000 | 25025 | 480025 |
2 | 435025 | 23926.375 | 458951.375 |
3 | 413951.375 | 22767.32563 | 436718.7006 |
4 | 391718.7006 | 21544.52853 | 413263.2292 |
5 | 368263.2292 | 20254.4776 | 388517.7068 |
6 | 343517.7068 | 18893.47387 | 362411.1806 |
7 | 317411.1806 | 17457.61493 | 334868.7956 |
8 | 289868.7956 | 15942.78376 | 305811.5793 |
9 | 260811.5793 | 14344.63686 | 275156.2162 |
10 | 230156.2162 | 12658.59189 | 242814.8081 |
11 | 197814.8081 | 10879.81444 | 208694.6225 |
12 | 163694.6225 | 9003.204239 | 172697.8268 |
13 | 127697.8268 | 7023.380472 | 134721.2072 |
14 | 89721.20723 | 4934.666398 | 94655.87363 |
15 | 49655.87363 | 2731.07305 | 52386.94668 |
16 | 7386.946683 | 406.2820675 | 7793.22875 |
He can make 15 withdrawals from his savings so that in the end he still leaves a balance of $ 50,000.
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