You decide to purchase a car for$22,890. Assuming the sales tax is5.9%of the purchase price, find each of the following.(a) What is the total cost, including sales tax? $ 24240.51 (b) If you make a down payment of18%of the total cost, find the down payment. $ 4363.2981 (c) Assuming you finance the remaining cost at an annual interest rate of7.05%for 10 years, find the monthly payment. $