9. Find the interest rates earned on each of the following. Round your answers to the nearest whole number. 1. You borrow $680 and promise to pay back $782 at the end of 1 year. % 2. You lend $680 and the borrower promises to pay you $782 at the end of 1 year. % 3. You borrow $97,000 and promise to pay back $1,245,401 at the end of 14 years. % 4. You borrow $18,000 and promise to make payments of $4,390.00 at the end of each year for 5 years. %