Leslie Contributes a Building Worth $88,000, with an Adjusted Basis

Leslie contributes a building worth $88,000, with an adjusted basis of $40,000, to a partnership in exchange for a 50 percent interest in the partnership's capital and profits.What is the amount of Leslie's basis in her partnership interest immediately after the contribution?

A) $20,000
B) $40,000
C) $44,000
D) $88,000
E) None of the above