3. OfficeMart has found an error in its data. The percentage of selling and administrative overhead attributable to processing orders should be changed to 30% from 45% and the percentage attributable to supporting customers should be changed to 40% from 25% A B C D E 1 Chapter 5: Applying Excel 2 4 Data Manufacturing overhead Selling and administrative overhead $ 500,000 300,000 5 $ 6 7 Other Assembling Units 50% 10% Processing Orders 35% 30% Supporting Customers 5% 1096 8 Manufacturing overhead Selling and administrative overhead Total activity 9 209 40% 100 1.000 250 10 units orders customers 11 12 13 OfficeMart orders Customers 1 customer 14 Orders 15 5 orders 80 units 595 16 5 17 Number of filing cabinets ordered in total Selling price Direct materials Direct labor 5 180 18 5 50 19 (a) Based on new number of orders in Requirement 2. what is the customer margin under activity-based costing when the data are corrected? (Enter a loss as a negative amount.) Customer margin under activity-based costing (b) Based on new number of orders in Requirement 2. what is the product margin under the traditional costing system when the data are corrected? (Enter a loss es a negative amount.) Product margin under the traditional costing system