4. Rocky Mountain Corporation makes two types of hiking boots-Xactive and the Pathbreaker. Data concerning these two product lines appear below:The company has a traditional costing system in which manufacturing overhead is applied to units based on direct labor-hours. Data concerning manufacturing overhead and direct labor-hours for the upcoming year appear below: Estimated total manufacturing overhead Estimated total direct labor-hours 1. Compute the product margins for the Xactive and the Pathbreaker products under the company?s traditional costing system. (Negative customer margins should be indicated with a minus sign.)