Calrissian Corporation has provided the following data concerning its overhead costs for the coming year: Wages and salaries Depreciation Rent Total $430,000 $210,000 $410,000 $1,050,000 Calrissian Corporation has an activity-based costing system with the following three activity cost pools and estimated activity for the coming year: Activity Cost Pool Assembly Order processing Supervising Total Activity 694 labor-hours 575 orders 525 batches The distribution of resource consumption across activity cost pools is given below: Supervising Wages and Salaries Depreciation Rent 25% Activity Cost Pools Order Processing 35% 45% 30% Assembly 40% 15% 35% Total 100% 100% 100% 40% 35% The activity rate for the Supervising activity cost pool is closest to: Multiple Choice $536 per batch O $540 per batch $500 per batch O $636 per batch