7. John and Mary would like to buy a new minivan. GM is advertising its new minivan for $24 995 plus taxes. a. Calculate the cost of the vehicle including 13% tax. [T1] b. John and Mary are going to put a down payment of $5 000 and finance the remainder with GM. Calculate the amount they will need to finance. [T1] c. John and Mary's monthly payment is going to be $416.72 over a 60 month term. Including the $5 000 down payment, how much did John and Mary pay for the vehicle. [T2] d. Calculate the total amount of interest paid to finance the vehicle. [T2]