Courtney begins college next month. She borrows $500 from her sister, Tina, to buy a new laptop, because she will have a number of online assignments in her economics course. #5: Suppose that Courtney will repay Tina in one year, and that they agree on an annual interest rate of 5%. Suppose that Courtney will repay Tina with a single payment in two years, and that they agree on an annual interest rate of 5%. How much money will Courtney repay Tina in two years