Dec. $1$

Purchased $1,600$ shares of the company's $$1$ par value common stock as treasury stock, paying cash of $$8$ per share.

Dec. $15$

Sold $200$ shares of the treasury stock for cash of $$11$ per share.

Dec. $20$

Sold $1,100$ shares of the treasury stock for cash of $$4$ per share. $($Assume the balance in Paid$-$In Capital from Treasury Stock Transactions on December $20$ is $$2,000.)$