Brilliance Toothpaste sells at retail for $1.50 per tube. The manufacturing cost is $0.25 per tube and the fixed costs total $20,000. The manufacturer's margin is 50 per cent and the retailer's margin is 33 per cent. All margins are calculated on selling prices. On sales of 200,000 units, calculate the manufacturer's profit, the wholesaler's margin, and the retailer's margin.