In: Finance
Your grandmother has been putting $ 5 comma 000$5,000 into a savings account on every birthday since your first (that is, when you turned one). The account pays an interest rate of 10 %10%. How much money will be in the account immediately after your grandmother makes the deposit on your 18th birthday
| A/c balance after 18 years | P×[(1+r)^n-1]÷r | |
| Here, | ||
| A | Interest rate per annum | 10% |
| B | Number of years | 18 |
| C | Number of payments per per annum | 1 |
| A÷C | Interest rate per period ( r) | 10% |
| B×C | Number of periods (n) | 18 |
| Payment per period (P) | $ 5,000 | |
| A/c balance after 18 years | $ 227,995.87 | |
| 5000×((1+10%)^18-1)÷10% |