A futures contract A)is an agreement to buy or sell a specified amount of an asset at the spot price on the expiration date of the contract. B)is an agreement to buy or sell a specified amount of an asset at a predetermined price on the expiration date of the contract. C)gives the buyer the right, but not the obligation, to buy an asset some time in the future. D)is a contract to be signed in the future by the buyer and the seller of the commodity. E)none of the above.