Assume that you want to buy a car 2 years from now. Based on the following data, calculate: a) Monthly savings to get the down payment. b) Monthly payment on the 4-year loan after buying the car. Note: Use months & monthly rates to solve this problem. Data: Price of the car $20,000. Required down payment 20%. Interest rate on savings 8% (annual). Interest rate on the car loan 12% (annual).