Assume OfficeMart places orders more frequently but everything also remains the same. On your worksheet increase the number of orders from 4 to 10. requlrement change all worksheet figures back to their original amounts.) (a) What is the customer margin under activity based costing when the number of orders increases to 10? (Enter a loss as a negative amount.) Customer margin activity based costing (b) What is the product margin under the traditional costing system when the number of orders to 10? (Enter a loss as a negative amount.) Product margin under the traditional costing system