Back to Assignment Attempts: Average: 74 7. Problem 5.12 (Effective Rate of Interest) eBook Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $650 and promise to pay back $ 702 at the end of 1 year. % b. You lend $650 and the borrower promises to pay you $702 at the end of 1 year. % c. You borrow $75,000 and promise to pay back $386,984 at the end of 9 years. % d. You borrow $15,000 and promise to make payments of $4,058.60 at the end of each year for 5 years. %