Orville Company purchased bonds with a face amount of $600,000 between interest payment dates. Orville 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