Rachelle transfers property with a tax basis of $800 and a fair market value of $900 to a corporation in exchange for stock with a fair market value of $750 and $50 in a transaction that qualifies for deferral under section 351. The corporation assumed a liability of $100 on the property transferred. What is Rachelle's tax basis in the stock received in the exchange? A) $900 B) $850 (this is NOT the answer) C) $750 D) $700