Suppose that you that you will need 1 bbl of crude oil on 10/1/21 and another on 10/1/22. The forward price for the first one is $35 and for the second one is $40. If interest rates are 2% for every tenor. How much would you agree to pay for each of the barrels in a contract that puts them together. In other words, we are looking for a price F so that you will pay F on 10/1/21 and you will also pay F on 10/1/22