Additional production information concerning its two models follows. Units and Activities Units produced Machine hours Setups Inspections Purchase orders Per Unit Model X Model Z 1,800 3,600 2,400 5,200 20 401 500 260 320 160 Model X Model Z $415 $ 395 145 120 105 135 Selling price per unit Direct materials cost per unit Direct labor cost per unit 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 model. 4. For each model, compute the gross profit per unit (selling price per unit minus product cost per unit). Complete this question by entering your answers in the tabs below.