On January 1 of the current year, Barton Corporation issued 6%,5-year bonds with a face value of $94,000. The bonds are sold for $89,300. The bonds pay interest semiannually on June 30 and December 31 , and the maturity date is December 31,5 years from now. Barton records straight-line amortization of the bond discount The bond interest expense for the current year ended December 31 is a. $470 b. $6,580 c. $2,820 d. $7,050