In: Finance
| A/c balance after 20 years | P×[(1+r)^n-1]÷r | |
| Here, | ||
| A | Interest rate per annum | 10.00% |
| B | Number of years | 20 |
| C | Number of payments per per annum | 1 |
| A÷C | Interest rate per period ( r) | 10.00% |
| B×C | Number of periods (n) | 20 |
| Payment per period (P) | $ 2,000 | |
| A/c balance after 20 years | $ 114,550 | |
| 2000×((1+10%)^20-1)÷10% |