6 of 6 While buying a new car, David made a down payment of $800 and agreed to make month-end payments of $280 for the next 4 years and 5 months. He was charged an interest rate of 3% compounded semi-annually for the entire term. a. What was the purchase price of the car? Round to the nearest cent b. What was the total amount of interest paid over the term? Round to the nearest cent