Tadlock Corporation has provided the following data concerning its overhead costs for the coming year: The company has an activity-based costing system with the following three activity cost pools and estimated activity for the coming year: The Other activity cost pool does not have a measure of activity; it is used to accumulate costs of idle capacity and organization-sustaining costs. The distribution of resource consumption across activity cost pools is given below: The activity rate for the Order Processing activity cost pool is closest to: $420 per order $520 per order $490 per order $780 per order