And with all due respect to my colleague across the way, the reason we asked it is that you've already announced a carbon tax. And now you are studying it. Shouldn't that have been studied before the carbon tax was announced?
Evidence of meeting #54 for Natural Resources in the 42nd Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was know.
A video is available from Parliament.