It's my understanding that there's not a lot of lithium being mined in the U.S. There's none being mined in Canada yet. Mr. Volpe is suggesting that because we would source it outside of the CUSMA partners, it's somehow going to be offside with our rules of origin. He and I can probably contest that, but I don't want to spend more time on it.
You also asked what the ultimate threshold is at which we say no. It was your rhetorical question: “What is the ultimate threshold at which we say no?” Do you have an answer to your own question?