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Suppose that the standard deviation of monthly changes in the price of spot corn is (in cents per pound) 2. The standard deviation of monthly changes in a futures price for a contract on com is 3 . The correlation between the futures price and the commodity price is 0.9. It is now September 15. A cereal producer is committed to purchase 100,000 bushels of com on December 15 . Each corn futures contract is for the delivery of 5.000 bushels of corn. In order to hedge the cereal producer's risk, he/she should go corn futures contracts. A) long B) short C) neither long nor short D) both long and short