In January 2020, Pluto, Inc., a newly formed company, issued 25,000 shares of its $10 par common stock for $15 per share. On July 1, 2020, Finley Corporation reacquired 4,000 shares of its outstanding stock for $12 per share. Upon acquisition of these treasury shares

a. Total assets don't change.

b. Total assets decrease and so does shareholders' equity.

c. The number of shares issued decreases.

d. Total assets increase and so does shareholders' equity.