Could I get help with question 19

Cuna 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: A. $905 per order B. $630 per order C. $1, 080 per order D. $840 per order