COVID 19 Co has provided the following data from its activity-based costing system: Activity Cost Pool Total Cost Total Activity Assembly $1,443,140 59,000 machine-hours Processing orders $ 80,905 2,750 orders Inspection $ 145.733 1,910 inspection-hours The company makes 890 units of product YB a year, requiring a total of 2,070 machine-hours, 41 orders, and 35 inspection-hours per year. The product's direct materials cost is $56.46 per unit and its direct labor cost is $22.67 per unit. The product sells for $147.50 per unit. According to the activity-based costing system, the product margin for product YB is: (Round your intermediate calculations and final answers to 2 decimal places.) Select one: a. $6.340 38 b. $7.230.38 C$5.450.38 d. 54.560.38