A manufacturer and a retailer have a revenue sharing agreement. Under which, the manufacturer sells DVDs to the retailer at a very competitive price $10.5 each, and gets 44% of the retailer's revenue in return. The production cost for each DVD is $7.1. The unit retail price of the DVD is $77. The retailer places a single order with the manufacturer for delivery at the beginning of the selling season. At the end of the selling season, the retailer will sell any leftover DVDs at a clearance price $4.3 each. In addition, assume the retailer's optimal order quantity is 480 and the expected overstock units are 39. What is the retailer's profit, under this revenue-sharing contract? Input should be an exact number