Say that you (or your parents) are purchasing a new car for $22,358. The sales tax is 6.45%, the down payment is 10% of the total cost, and you have a poor credit score. What is the lowest amount of interest you could pay at the end of the first month? Secured Unsecured Credit APR (%) APR (%) Excellent 4.75 5.50 Good 5.00 5.90 Average 5.85 6.75 Fair 6.40 7.25 Poor 7.50 8.40 $133.88 $180.22 $124.78 $141.93