A vendor will have to purchase wheat in the future in order to make food. wheat is currently at a price of $4 per bushed today. the vendor wants to eliminate the risk that the price the company pays for wheat will exceed $4 per bushel. which of the following positions would the vendor take to hedge against an increase in the price of wheat?

a) a long position in a forward contract on wheat with a contract price of $4 per bushel

b) a long put option on wheat with a strike price of $4

c) a long call option with a strike price of $4 per bushel

d) a and b

e) a and c