The cost-benefit analysis is most common on the side or in the country that is planning to do something that it knows other countries won't approve of. When it comes to countries imposing western sanctions, they too look at the cost-benefit analysis or conduct a cost-benefit analysis.
Not being part of the Canadian government, I don't know exactly what has been going on. I would think that the Canadian government has conducted a cost-benefit analysis, not just with regard to the diplomat's expulsion but also with regard to the sanctions more generally, and also with regard to any action it takes in protesting any actions by the Chinese government, because the Chinese government, unlike most other governments, is willing to engage in instant retribution, not against the government that it feels has offended it somehow but against companies. I think this is another area where we have to bear in mind what sort of consequences our sanctions can have.
If we were—