If we purchase 2 tons of medium-grade aluminum from our competitors at $2000/ton to satisfy part of the demand, should we instead use it in our mills? This would decrease the demand by 2 tons. What do you think we should do? Option A: Purchase the aluminum and use it in our mills. Option B: Purchase the aluminum and sell it to another company. Option C: Continue purchasing aluminum from our competitors. Option D: Find an alternative solution.