The Jetson Family is buying a house that sells for $192000. The lender is requiring a minimum down payment of 15%.

To obtain a 25 year mortgage at 7.5% interest, they must pay 4 points at the time of closing.

a. determine the required down payment

b. determine the amount of the mortgage on the property with the 15% down payment

c. find the costs of 4 points on the mortgage (round answer to the nearest dollar as needed)