Your airline company expects to purchase $20 million worth of jet fuel in March of 2021. Futures contracts are not traded on jet fuel, but you analyze a list of alternatives. Which of these contracts do you expect will give you the best ability to hedge your risk? Assume all the betas given below are known with precision.

A July 2021 heating oil futures contract; jet fuel has a beta of 0.9 to heating oil.
A June 2021 crude oil futures contract; jet fuel has a beta of 0.95 to crude oil.
An April 2021 gasoline futures contract; jet fuel has a beta of 0.95 to gasoline.
A March 2021 heating oil futures contract; jet fuel has a beta of 0.9 to heating oil.