x fx B C D E F G J K L M 7. What is the amount of the difference between the variable costing and absorption costing net operating incomes? What is the cause of this difference? Fixed manufacturing overhead in ending inventory Fixed manufacturing overhead in beginning inventory Manufacturing overhead deferred in (released from) inventory Variable costing net operating loss - see Q4 Add: fixed manufacturing overhead cost deferred in inventory under absorption costing Absorption costing net operating income - see Q6