Mr. Z owned 200 shares of Corporation K common stock. During the current year, Mr. Z received distributions from Corporation K of $600 in cash dividends, 100 additional shares of K's common stock, and rights to purchase 100 more shares. The distributions were not disproportionate and the shareholders were not given an option to receive cash instead of the stock and stock rights. The fair market value of the total stock dividend shares and the total stock rights were $200 and $100, respectively. What is the amount of income from these distributions that is includible in Mr. Z's income for the current year? A. $1,000 B. $900 C. $700 c D. $600