>> board member driscoll those are different guidelines we discussed those with public cadets and in public cadets we have we're targeting three percent tracking and as of right now we don't have the guidelines for the short not just public equity and 2 relates only to the plan. >> the question what is the um appropriate correct number because i accept tracking but expecting to carry that out 1.2 may look better than that 2.7 but increase liquidity by this is the result? >> yeah. maybe just to the levels we can take tracing by being different from the strategic allocation target and tracking error how we track that and we're talking about here is the tracking coming from being strategic allocation and over the long term we don't want to be making big and taking huge that's a great question. errors based on that with the allocation with the purpose of generating long term returns at a different level of risk we may take some and will we can only move so quickly with the private parking tickets this is not the tracking error we seek to generator and the goal here is to. >> the goal how