if you move to ifrs lifo would not be allowed. it would eliminate the current ability of some firms to use last-in, first-out accounting. i think there is clearly different goals for the accounting rules and as the tax writing committee you have different goals including revenue that are your objectives. >> i agree with most of what was said before me. i think really there's -- the accounting rules are there for something completely different than what our tax rules are there for. it's to get revenue, it should be done in a manner that promotes growth, investment, jobs. those are two completely different worlds. so i would encourage us to keep them separate. >> okay. and i have just a few second left so could the businesses just quickly talk about -- we have talked about reforms and the challenges to reforms. could you just briefly talk about if we do nothing the cost of inaction to your business if we keep the status quo? >> personally i don't think that's a good option. i think status quo is where we want to be. >> i think we're