< Back to Assignment Attempts: Keep the Highest: /4 6. Problem 5.12 (Effective Rate of Interest) al of TED eBook Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $720 and promise to pay back $792 at the end of 1 year. 10 % b. You lend $720 and the borrower promises to pay you $792 at the end of 1 year. 10 % c. You borrow $80,000 and promise to pay back $175,598 at the end of 6 years. % d. You borrow $12,000 and promise to make payments of $2,771.70 at the end of each year for 5 years. % Grade It Now Save & Continue Continue without saving