Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $690 and promise to pay back $759 at the end of 1 year. 10 % b. You lend $690 and the borrower promises to pay you $759 at the end of 1 year. 10 % c. You borrow $90,000 and promise to pay back $464,381 at the end of 9 years. I % d. You borrow $11,000 and promise to make payments of $3,359.50 at the end of each year for 5 years. 30.54 %