A, B and C are the original members of ABC, a cash-method general partnership, with a fiscal year ending January 31. Each partner has a one-third interest in the capital, profits, and losses of ABC. Each originally contributed $10 to ABC for their partnership interests. The partnership balance sheet is as follows: Asset Adjusted Basis Fair Market Value 1 $20 $20 2 $10 $25 3 $30 $45 Total $60 $90 Liabilities and Capital Liabilities Mortgage $30 $30 Capital A $10 $20 B $10 $20 C $10 $20 a. On February 1, Year 1, D offers to purchase As interest in ABC for $20 cash. Assume that ABC has no Section 751(c) or 751(d) assets and ignore the accrual of interest on the partnership mortgage liability. If A accepts Ds offer, what is the amount and character of As gain or loss