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Ice Cool produces two different models of air conditioners. The activities, costs, and cost drivers associated with the production processes follow. Additional production information conceming its two models follows. 1. Compute the activity rate for each activity using activity-based costing. 2. Using activity-based costing, compute the overhead cost per unit for each model. 3. Compute the total product cost per unit for each modet 4. For each model, compute the gross profit per unit (selling price per unit minus product cost per unit)