12. Prepare in journal form the entries necessary to record the following stock transactions of the Vallen Company during 2019: Oct. 1 Purchased 1,000 shares of its own common stock for $20 per share. Oct. 5 Sold 500 shares of treasury stock purchased on Oct 1. For $25 per share. Oct. 8 Sold 250 shares of treasury stock purchased on Oct 1. For $15 per share. Oct. 9 sold the remaining shares of treasury stock for $20 per share