Please provide and explanation and calculate the following:

Find the interest rate (or rates of return) in each of the following situations. Do not round intermediate calculations. Round your answers to the nearest whole number. a. You borrow $650 and promise to pay back $676 at the end of 1 year. b. You lend $650 and receive a promise to be paid $676 at the end of 1 year. % c. You borrow $60,000 and promise to pay back $289,075 at the end of 12 years. % d. You borrow $16,000 and promise to make payments of $5,001.00 at the end of each of the next 5 years. %