You are planning to buy a truck for your shipping business using your bank loan which will cost an effective interest rate of 6 percent per year and credit card that charges an effective interest of 17 percent per year. The final sale price of this truck is $17000 and the federal tax rate for your business is 20 percent. If you finance your truck using $12000 bank loan and $5000 credit card loan, what is the composite cost of your truck purchase