The books and records of Pluto, an S corporation since 1982, reflect the following for the current year (Pluto is a calendar-year taxpayer): Pluto's sole shareholder has a basis in its stock of $30,000. During July of the current year, Pluto distributed $100,000 to the shareholder. How should the shareholder treat this distribution for income tax purposes? A. Nontaxable. B. $50,000 dividend and $20,000 capital gain. C. $20,000 dividend and $10,000 capital gain. D. $30,000 capital gain