Which of the following is (are) not true about a stock dividend?

a. Total stockholders' equity does not change when a stock dividend is declared but does change when it is distributed.

b. Between the time a stock dividend is declared and when it is distributed, the company's commitment is presented in the balance sheet as a current liability.

c. Stock dividends do not change the relative portion of the company owned by individual stockholders.

d. Stock dividends have no impact on the amount of the company's assets.