Answer:
Given:
On January 2, 2016:
Issued 15,000 shares of $10 par value
Common stock for $15 per share
On March 1, 2016: Alpha reacquired 1,000 of these shares when they were trading $20 each.
On September 1, 2016: Alpha reissued 500 shares of treasury stock at the going market rate of $25 per share.