“Canada’s liability would be no greater than US$346.7 million” – the difference between what it had already contributed and what was remaining of the original US$551 million commitment.

Since the analysis was produced, the Liberal government has paid another US$33 million.

Considering that there are Canadian companies that have contracts related to the f35 and they would almost certainly be cancelled or not renewed, running down the clock isn’t a terrible idea. The $300+m is already a sunk cost.