A company purchased bonds on July 1, 2021, for $281,859. This price represents a market rate of 7% on bonds that have a face amount of $300,000, have a stated rate of 6%, pay semiannual interest, and mature in 8 years. Calculate the amount of interest revenue as of December 31, 2021.

$19,730.

$9,000.

$9,865.

$18,000.