On January 1 of the current year, Barton Corporation issued 10%,5-year bonds with a face value of $100,000. The bonds are sold for $95,000. 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. $11,000 b. $11,500 C. $500 d. $5,000