Sam owns 40% of the stock of Cheers Corp, an S Corporation. At the beginning of 2021, Cheers had AAA of $25,000 and E&P of $80,000 (from prior C corporation years). During 2021, Cheers earned $45,000 of ordinary business income and distributed a total of $100,000 cash to its shareholders (Sam received $40,000). Sam's basis in his Cheers stock was $30,000 as of 1/1/21. How much of Sam's $40,000 distribution from Cheers is taxable as a dividend