Choice "B" is correct. Generally, this is a nontaxable transaction. However, the liabilities assumed by the corporation of $12,000 are in excess of the basis of the property contributed of $6,000. The amount of the excess, which is $6,000 ($12,000 − $6,000) is a gain that must be recognized. Note that the fact that this is an S Corporation does not affect the answer. The rules for the formation of an S Corporation are the same as for a C Corporation.Choices "a", "c", and "d" are incorrect per the above explanation.