07: 5.2-35 PBA Company manufacturers bowling balls. The following data are available for last month. All of the bowling balls is beginning finished goods inventory were sold last month. Beginning finished goods inventory 0 Goods manufactured 12,000 balls Ending finished goods inventory 2,000 balls Sales commissions $10,000 Sales 10,000 balls at $30 each Variable costs of manufacturing 1 bowling ball $10.00 Using absorption costing, what is operating income for last month