Exxon doesn't pay $131.90 for the oil it produces.
No. They don't. But they could sell that oil they produce on the spot market for $131.90. So, what would you have them do? Sell it to us for less than others would pay?
Moreover, Big Oil produces only 25% of the crude it refines. Much of the rest is bought on long-term contracts -- from suppliers like OPEC.
What must they charge in order to budget replacement of the oil they consume?