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

You borrow $700 and promise to pay back $770 at the end of 1 year.

%

You lend $700 and the borrower promises to pay you $770 at the end of 1 year.

%

You borrow $63,000 and promise to pay back $213,858 at the end of 10 years.

%

You borrow $9,000 and promise to make payments of $2,684.80 at the end of each year for 5 years.

%