Hi, on 4/5/06 I purchased a 2002 Nissan Xterra. The original loan amount was 18,438.03 and the original loan date was 4/5/06. My interest rate was 19.29% with household bank auto loans. My payoff quote as of today is 14,616.18. I have not even paid 4,000 of the principal of this loan. I...