As of the end of the current tax year, Mad Corp. has accumulated E&P of $31,000 and current E&P of $1,000. At the end of the year, Mad Corp. distributes $50,000 to its sole shareholder, Mary, whose...

As of the end of the current tax year, Mad Corp. has accumulated E&P of $31,000 and current E&P of $1,000. At the end of the year, Mad Corp. distributes $50,000 to its sole shareholder, Mary, whose stock basis is $10,000 (before the distribution).

What amount of the distribution is treated as a dividend?