Suppose that on October 24 you Sell 13 March gold futures contracts for $270 per ounce. At 11:00 am on October 25 you buy 10 March contracts for $271.5 ounce. At the close of trading on October 25, gold futures settle for $276.0 ounce. If the contract size is 100 ounces and the initial margin equals 2700. how much do you gain or lose as of the close? 0 3300.0 O-3300,0 0-300.0 O 300.0