2. Assume that OfficeMart places orders more frequently, but everything else remains the same. On your worksheet increase the number of orders from 4 to 13. (Prior to completing this requirement, 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 13 ? (Enter a loss as a negative amount). (b) What is the product margin under the traditional costing system when the number of orders increases to 13? (Enter a loss as a negative amount.)