On January 1, 2018, the Marathon Corporation issued 10% bonds with a face value of $200,000. The bonds are sold for $191,000. The bonds pay interest semiannually on June 30 and December 31, and the maturity date is December 31, 2022. Marathon records straight-line amortization of the bond discount. The bond interest expense for the year 2019 is:

Group of answer choices

$21,800

$20,900

$18,200

$29,000