DTF Corporation issued $900,000,9%,8 year Bonds for 97.5 on January 1,2015. Interest on the Bonds is paid semiannually on June 30 and December 31 each year. DTF uses the straight-line method to amortize any Bond discount/premium. Determine the total interest expense recorded over the life of these Bonds. 1) $625,500 2) $648,000 3) $631,800 4) $670.500