Margo borrows $500, agreeing to pay it back with 3% annual interest after 14 months. how much interest will she pay?
(round to the nearest cent, if necessary)

Reading tests are compared for two students. sara got 98, 100, 65, 78, 98, 46, 100, 100, 45, and 50 on her reading test. lee got 97, 67, 89, 99, 100, 45, 79, 89, 58, and 67 on his reading test.