Walsh Corporation uses activity-based costing to compute product margins. In the first stage, the activity-based costing system allocates two overhead accounts-equipment expense and indirect labor-to three activity cost pools-Processing, Supervising, and Other-based on resource consumption. Data to perform these allocations appear below: Overhead costs: Equipment expense $55,000 Indirect labor $7,000 Distribution of Resource Consumption Across Activity Cost Pools: Finally, sales and direct cost data are combined with Processing and Supervising costs to determine product margins. Activity: Finally, sales and direct cost data are combined with Processing and Supervising costs to determine product margins. Sales and Direct Cost Data: What is the product margin for Product Q1 under activity-based costing? Select one: a. $13,200 b. $17,800 c. $3,630 d. $17,350