Required information [The following information applies to the questions displayed below.) On May 4, 2019. Docker Inc. purchased 600 shares of its own common stock in the market at a price of $19.00 per share. On September 19, 2019, 250 of these shares were sold in the open market at a price of $20.50 per share. There were 34,000 shares of Docker common stock outstanding prior to the May 4 purchase of treasury stock. A $0.25 per share cash dividend on the common stock was declared and paid on June 15, 2019. Required: a. Use the horizontal model on Docker's financial statements for the purchase of the treasury stock on May 4, 2019. Indicate the financial statement effect. (Enter decreases with a minus sign to indicate a negative financial statement effect.) Balance Sheet Liabilities Assets Stockholders' Equity Net earch E a $19.00 per share e. There were 25 per share 019. Indicate the Income Statement Revenues quity Net Income Expenses