EFFECTIVE RATE OF INTEREST a. You borrow $650 and promise to pay back $793 at the end of 1 year. b. You lend $650 and the borrower promises to pay you $793 at the end of 1 year. C. You borrow $79,000 and promise to pay back $197,680 at the end of 7 years. d. You borrow $9,000 and promise to make payments of $2,684.80 at the end of each year for 5 years. Search the web and Windows