Omar Corporation, which has begun investing in trading securities, engaged in the following transactions: Jan. 6 Purchased 7,000 shares of Quaker Oats stock, $30 per share. Feb. 15 Purchased 9,000 shares of EG&G, $22 per share. At year end on December 31, 2019, Quaker Oats was trading at $40 per share, and EG&G was trading at $18 per share. Record the entries showing the necessary year-end adjusting entry