I'm not sure what the question is.
First, perhaps I should take a step back, if I may, and just explain that costing processes—this is the use of long-run incremental costs by regulators to help establish rates, for example, in this case wholesale rates for competitors—are measures that are used around the world by regulators to try to establish rates of this type. It's a very complex process.
To give you a sense of the size and scope of that material, we were dealing with something like 150 costing models, 20,000 pages of evidence and over 100 rate elements to be calculated. All of those are, if you will, contested. On the one side you have parties submitting rates and defending their representation of the appropriate costing and others contesting it and asking for changes. To make a long story short, staff and the commissioners rendered a decision they believed to be correct, as I said earlier, following an application for review.
We conducted a thorough analysis. We sought additional information from all parties. Based on that record, we identified errors. Having identified them, we're duty bound to correct them.