Fine the interest rates earned at the on each of the following:

A. You borrow $720 and promise to pay back $792 at the end of 1 year

B. You lend $720 and the borrower promises to pay you $792 at the end of 1 year

C. You borrow $65,000 and promise to pay back $98,319at the end of 14 years

D. You borrow $15,000 and promise to make payments of $4,058.60 at the end of each year for 5 years