Ayala inc. has conducted the following analysis related to its product lines, using a traditional costing system (volume-based) and an activity-based costing system. Both the traditional and the activity-based costing systems include direct materials and direct labor costs. (a) For each product line. compute operating income using the traditional costing system. For each product line, compute operating income using the traditional costing system. Product 540X Product 137Y Product 249S