Find the interest rates earned on each of the following. Round each answer to two decimal places. 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 $54,000 and promise to pay back $119,377 at the end of 7 years. d. You borrow $8,000 and promise to make payments of $2,219.30 at the end of each year for 5 years