Jorgansen Lighting, Incorporated, manufactures heavy-duty street lighting systems for municipalities. The company uses variable costing for internal management reports and absorption costing for external reports to shareholders, creditors, and the government. The company has provided the following data: The company's fixed manufacturing overhead per unit was constant at $570 for all three years. equired: Calculate each year's absorption costing net operating income. (Enter any losses or deductions as a negative value.)