Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $740 and promise to pay back $777 at the end of 1 year. % b. You lend $740 and the borrower promises to pay you $777 at the end of 1 year. % c. You borrow $79,000 and promise to pay back $141,477 at the end of 10 years. % d. You borrow $18,000 and promise to make payments of $4,390.00 at the end of each year for 5 years. %