(hedging commodity price risk) minelli enterprises uses large amounts of copper in the manufacture of ceiling fans. the firm has been very concerned about the detrimental impact of rising copper prices on its earnings and has decided to hedge the price risk associated with its next quarterly purchase of copper. the current market price of copper is $3.00 per pound and minelli's management wants to lock in this price. how can minelli ensure that it will pay no more than $3 per pound for copper using a forward contract?