Find the interest rates earned on each of the following. Round each answer to two decimal places.

You borrow $660 and promise to pay back $693 at the end of 1 year.

___ %

You lend $660 and the borrower promises to pay you $693 at the end of 1 year.

___ %

You borrow $84,000 and promise to pay back $1,078,492 at the end of 14 years.

___ %

You borrow $8,000 and promise to make payments of $2,219.30 at the end of each year for 5 years.

___%