Strama, Inc., manufactures and sells two products: Product A6 and Product 15. The company has an activity-based costing system with the following activity cost pools, activity measures, and expected activity: Expected Activity Activity Cost Pools Labor-related Production orders Order size Estimated Activity Overhead Measures Cost DLHS $179,138 orders 38,624 MHS 171,147 $388,909 Product A6 Product 15 7,000 1,600 300 500 4,400 4,500 Total 8,600 800 8,900 The activity rate for the Order Size activity cost pool under activity-based costing is closest to