Solve for the unknown interest rate in each of the following (Enter rounded answers as directed, but do not use rounded numbers in intermediate calculations. Enter your answer as a percent rounded to 2 decimal places (e.g., 32.16)):
| Present Value | Years | Interest Rate | Future Value |
|---|---|---|---|
| $785 | 4 | % | $1,521 |
| 975 | 5 | % | 1,858 |
| 22,000 | 16 | % | 148,832 |
| 77,300 | 19 | % | 326,815 |