Kern Company purchased bonds with a face amount of $600,000 between interest payment dates. Kern purchased the bonds at 102, paid brokerage costs of $9,000, and paid accrued interest for three months of $15,000. The amount to record as the cost of this long-term investment in bonds is:
A) $636,000.
B) $621,000.
C) $612,000.
D) $600,000.