3. Prepare a variable-costing income statement for Pattison Products, Inc., for the month of October. Feedback Theck My Work Use a contribution margin format income statement that groups costs according to behavior (variable and fixed). 4. What if November production was 40,000 units, costs were stable, and sales were 41,000 units? What is the cost of ending inventory? $ What is operating income for November? 3. Prepare a variable-costing income statement for Pattison Products, Inc., for the month of October. Feedback Theck My Work Use a contribution margin format income statement that groups costs according to behavior (variable and fixed). 4. What if November production was 40,000 units, costs were stable, and sales were 41,000 units? What is the cost of ending inventory? $ What is operating income for November