Assume that you borrow $2,000 from your sister and that you will pay her back in one lump sum. She charges you 9.18 percent interest in year 1 and increases the rate by 1 percent per year until the loan is paid off. How much will you owe if you wait until year 3 to pay off the loan? $2, 467.91 $2, 661.78 $2, 775.23 $2, 809.53