A cement contractor purchases a car for a negotiated price of $55,550 plus $559 in registration and license fees. (Round your answers to the nearest cent.) (a) The sales tax is 62.5% of the negotiated price. Calculate the sales tax (in dollars). $ (b) If the contractor makes a 10% down payment on the total cost of the car, including sales tax and license fees, what is the down payment (in dollars)? $ (c) The contractor finances the remaining balance for 4 years at an annual interest rate of 4.45% compounded monthly. Find the monthly car payment (in dollars). $