Data Table Selling and Administrative Expenses S 48,620 79,300 Purchases Net Sales Revenue 143,000 11,700 Merchandise Inventory, January 1, 2018 Merchandise Inventory, December 31, 2018 18,070 Print Done William Brush Company sells standard hair brushes. The following information summarizes William's operating activities for 2018: (Click the icon to view the information.) Requirements 1. Calculate the operating income for 2018 2. William sold 6,500 brushes in 2018. Compute the unit cost for one brush. Requirement 1. Calculate the operating income for 2018 William Brush Company Income Statement Year Ended December 31, 2018 Revenue: Cost of Goods Sold: Cost of Goods Sold: Cost of Goods Sold Gross Profit Operating Income