Need business and finance help: what is the profit or loss associated with Copper?

Landmark Coal operates a mine. During July, the company obtained 500 tons of ore, which yielded 250 pounds of gold and ;62,800 pounds of copper. The joint cost related to the operation was $500,000. Gold sells for $325 per ounce and copper sells for $0.91 per pound. ; Allocate the joint costs using the relative sales values. With these costs, what is the profit or loss associated with Copper?