Cool Fan Company sells 10,000 units to wholesalers each year at $60 per unit. The materials cost $10 per fan and unit labor cost is $15. The total promotion and marketing costs are $100,000. The facility expenses are $80,000 per year and other overheads cost $20,000. What is the % contribution of the fans? 50% 33.33% 16.67% 25% 58.33%