Globe Company produces two products, A1 and B2. A1 is a high-volume item totaling 20,000 units annually. B2 is a low-volume item totaling only 6,000 units per year. A1 requires one hour of direct labor for completion, while each unit of B2 requires 2 hours. Therefore, total annual direct labor hours are 32,000 (20,000 + 12,000). Expected annual manufacturing overhead costs are $640,000. Globe uses a traditional costing system and assigns overhead based on direct labor hours. what each unit of B2 would be assigned overhead ?