I'm not aware of one, but we can look.
There were certainly a lot of analyses along the way that took into consideration not only the costs that had already been sunk, but also what the expected economic benefits were from the pipeline. Beyond the costs, there are some fiscal advantages, some economic advantages to finishing the pipeline, which was also part of the calculation along the way. But a specific as you describe it, I can certainly look. There are probably pieces for sure.