Suppose that in September 2020 a company takes a long position in a contract on May 2021 crude oil futures. It closes out its position in March 2021. The futures price (per barrel) is $78.40 when it enters into the contract and $80.30 when it closes out its position. The spot oil price is $72.40 in September 2018; $75.50 in March 2021; and $74.90 in May 2021. What is the company's prot?