Sold 300 shares of Green Corp. common stock for $30.00 per share. The shares were originally purchased on July 11, 2017, for $17.00 per share plus a commission of $60 Central Brokerage retained a commission of $70 on the sale and forwarded check No. 4289 for the net sale proceeds to Waren.

- Calculate and record the gain or loss on the sale of the marketable securities.

- Be sure to consider the effects of both the purchase and sale commission expenses.