The worlds price of zinc had increase to the point where mothballed zinc mines in east Tennessee have been reopened because of their potential profitability.
What is estimated annual profit for a mine producing 20,000 tons per year (which is 100% capacity) when zinc sells per 1 $ per pound? there are variable cost of $20million at 100% capacity and fixed cost of $17 million per year
If production is only 17 thousands per year will the mine be profitable.