A B D m E F G 1 2 3 4 Willy's hotel has total fixed costs of $120000 and total variable costs of $60,000. The revenue for this period was $800,000. The revenue and cost breakdown by department is Rooms revenue Rooms variable costs $ 600,000 $ 15,000 F&B Revenue F&B Costs $ 200,000 $ 45,000 5 6 7 8 9 10 What was the weighted average contribution margin ratio