The Good Job Company manufactures windows. Its manufacturing plant has the capacity to produce 20,000 windows each month. Current production and sales are 15,000 windows per month. The company normally charges $150 per window. Cost information for the current activity level is as follows: (Click the icon to view the cost information.) (Click the icon to view the special order information.) Required Begin by completing an analysis and start by showing the computation of the company's operating income without the special order. Next calculate operating income with the special order, and then calculate the differences between the two columns. (Complete all answer boxes. For amounts with no change, make sure to enter "0" in the appropriate cells of the Difference column.) Without One-Time Only Special Order I Cost information 15,000 Windows Revenues Variable costs: Direct materials $ 300,000 150,000 Direct manufacturing labour Batch manufacturing costs Fixed costs: Fixed manufacturing costs Variable costs that vary with number of units produced Direct materials Direct manufacturing labour Variable costs (for setups, materials handling, quality control, and so that vary with number of batches, 300 batches x $1,250 per batch Fixed manufacturing costs 375,000 100,000 55,000 Fixed marketing costs Fixed marketing costs $ Total costs 980,000 Total costs Operating income