Question 5/24 The contribution approach income statement additionally classifies costs to 1. O selling and admin, costs 2. O variable and fixed costs 3. O manufacturing and non-manufacturing costs 4. O materials and labor costs Question 5/24 The contribution approach income statement additionally classifies costs to 1. O selling and admin, costs 2. O variable and fixed costs 3. O manufacturing and non-manufacturing costs 4. O materials and labor costs