Find the interest rates earned on each of the following. Round your answers to the nearest whole number.

1. You borrow $750 and promise to pay back $795 at the end of 1 year.

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2. You lend $750 and the borrower promises to pay you $795 at the end of 1 year.

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3. You borrow $98,000 and promise to pay back $754,471 at the end of 13 years.

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4. You borrow $9,000 and promise to make payments of $2,684.80 at the end of each year for 5 years.

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Can you show me how to do this question on financial calculator?