18. Mark receives a proportionate current (nonliquidating) distribution. At the beginning of the partnership year, the basis of his partnership interest is $100,000. During the year, he received a cash distribution of $40,000 and a property distribution (basis of $30,000, fair market value of $25,000). In addition, Mark's share of partnership liabilities was reduced by $10,000 during the year. How much gain or loss does Mark recognize; what is his basis in the property he received; and what is his remaining basis in the partnership interest? a. $25,000 loss; $25,000 basis in property; $0 remaining basis. b. $30,000 loss;$30,000 basis in property; $0 remaining basis c. $0 gain or loss; $25,000 basis in property; $25,000 remaining basis. d. $0 gain or loss; $30,000 basis in property; $20,000 remaining basis. e. $0 gain or loss; $30,000 basis in property; $30,000 remaining basis