eBook Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $660 and promise to pay back $759 at the end of 1 year. % b. You lend $660 and the borrower promises to pay you $759 at the end of 1 year. % C. You borrow $51,000 and promise to pay back $107,348 at the end of 11 years. % d. You borrow $10,000 and promise to make payments of $2,504.60 at the end of each year for 5 years. %