SYBIL transfers property with a tax basis of $5,000 and a fair market value of $6,000 to a corporation in exchange for stock with a fair market value of $3,000 and $2,000 in cash in a transaction that qualifies for deferral under section 351. The corporation assumed a liability of $1,000 on the property transferred. What is Sybil's tax basis in the stock received in the exchange? A. $6,000 B. $5,000 C. $4,000 D. $3,000 D. $3,000