Austad Corporation uses activity-based costing to determine product costs for external financial reports. The company has provided the following data concerning its activity-based costing system: Activity Cost Pools (and Activity Measures) Total Cost Machine related (machine-hours) $67,500 Batch setup (setups) $273,700 General factory (direct labor-hours) $204,000 Total Activity Activity Cost Pools Product X Product Y Total Machine related 4,000 1,000 5,000 Batch setup 3,000 4,000 7,000 General factory 1,000 7,000 8,000 The activity rate for the batch setup activity cost pool is closest to: $91.20 $68.40 $77.90 $39.10