Which of the following statements is true regarding the difference between futures contracts and call options? Group of answer choices Call options might be used to hedge against upward price movement of the underlying asset, while futures contracts are not suitable for hedging purposes. Futures contracts obligate their holder to buy the underlying asset, while call options don't. Unlike futures contracts, call options are primarily being traded in exchanges. There's uncertainty in the transaction price for futures contracts, while call options allow their holder to buy the asset at a certain price.