Suppose the initual murgin requirement for the oil contract is \20. Contract size is 1000 barrels. The spot oil price \\( \\$ 62.48 \\). Current future price for March is \\( \\$ 62.48 \\). If the spot oil price at maturity date is 65.48 , and you only invest on oil commodity and don't use future contract, what's your return if you buy the oil? A. \9 B. \4.8 C. \12