PLEASE WHEN SOLVING THIS PROBLEM CAN YOU PLEASE WRITE THIS VERY CLEARLY TO SHOW EACH STEP TO THE SOLUTION

In an activity-based costing system, which of the following is not a category in which activities are classified? OA) A) Organization level B) Customer-level C) Operations-level D) Product-level A manufacturing company that produces a single product has provided the following data concerning its most recent month of operations: Selling price $89 Units in beginning inventory 0 Units produced 4,300 Units sold 4,000 Units in ending inventory 300 Variable costs per unit: Direct materials $13 Direct labor $35 Variable manufacturing overhead $1 Variable selling and administrative $10 Fixed costs: Fixed manufacturing overhead $77.400 Fixed selling and administrative $24,000 The total contribution margin for the month under variable costing is