Individuals Opal and Ben Form OB Corporation

Individuals Opal and Ben form OB Corporation. Opal transfers land and a building with a $550,000 adjusted basis and a $625,000 FMV in exchange for 50% of the stock of the OB Corporation worth $610,000 and a $15,000 note. Ben transfers cash of $625,000 for 50% of the stock worth $610,000 and a note of the OB Corporation valued at $15,000. Opal's basis in the stock received is

A) $560,000.
B) $625,000.
C) $550,000.
D) $610,000.