Hillary considers herself a shrewd commodities investor. She bought a May cotton contract (50,000 pounds) at 50.7297 a pound, and later soid it at $0.8238 a pound What were her profit and her return on invested capital if her initial margin was $1,150 and the sire of a cotion lusures contract is 50, coo poinds of cotion? Hillary's profit is s (Round to the nearest dollar.)