We have the following components for an automobile loan: Purchase price: $18,700; sales tax: 5.5%; license and title fees: $315; down payment: $3600; payments: $393.25 for 72 months. We have the following components for an automobile loan: Purchase price: $18,700; sales tax: 5.5%; license and title fees: $315; down payment: $3600; payments: $393.25 for 72 months