Encarnacion Corporation has an activity-based costing system with three activity cost pools-Processing, Supervising, and Other. In the first stage allocations, costs in the two overhead accounts, equipment expense and indirect labor, are allocated to the three activity cost pools based on resource consumption. Data used in the first stage allocations follow:
Overhead costs:
Equipment expense ........ $77,000
Indirect labor ......... $8,000
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Processing costs are assigned to products using machine-hours (MHs) and Supervising costs are assigned to products using the number of batches. The costs in the other activity cost pool are not assigned to products. Activity data for the company's two products follow:
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Finally, the costs of Processing and Supervising are combined with the following sales and direct cost data to determine product margins.
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The activity rate for the Supervising activity cost pool under activity-based costing is closest to:
A) $8.00 per batch B) $17.00 per batch C) $26.67 per batch D) $85.00 per batch

Distribution of Resource Consumption Across Activity Cost Pools: Equipment expense Indirect labo. Activity Cost Pools Processing Supervising Other 0.20 0.20 0.40 0.30 0.40 0.50 Activity: MHs (Processing) Batches (Supervising) Product Z1 Product C6.. Total.... 8,000 12,000 20,000 700 300 1,000 Sales and Direct Cost Data Product Z1 $225,100 $122,500 $71,100 Product C6 $154,100 $51,000 $72,400 Direct materials (total). Direct labor (total)