The following information pertains to Zillow Manufacturing Company for year 2019. Sales revenue $1,800,000 Coolants & lubricants- factory equip. 35,000 Cost of goods sold Repairs and maintenance of 1,140,000 45,000 factory Direct labor cost Utilities -$54,000 of it was 250,000 65,000 for factory Administrative Rent costs-factory 162,000 50,000 salaries equipment Sales commissions Depreciation factory 135,000 24,000 equipment Sales salaries Depreciation-office 81,000 21,600 equipment Materials handling- Fire insurance-factory 18,000 6,000 facto equipment Indirect labor cost Property taxes-factory 69,000 18,000 equipment Advertising expense 34,000 Depreciation-factory 15,000 building Finished Goods Inventory, 1/1/19 88,000 Finished Goods Inventory, 12/31/19 112,000 RM Materials Inventory, 1/1/19 45,000 58,000 150,000 77,000 RM Materials Inventory, 12/31/19 Work-in-Process Inventory, 1/1/19 Work-in-Process Inventory, 12/31/19 Compute operating income (income from operations) for the year. Example of Answer: 4000 (No comma, space, decimal point, or $ sign)