Find the interest rates earned on each of the following. Round your answers to the nearest whole number.

You borrow $680 and promise to pay back $714 at the end of 1 year.

%

You lend $680, and the borrower promises to pay you $714 at the end of 1 year.

%

You borrow $98,000 and promise to pay back $728,149 at the end of 11 years.

%

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

%