On the regional model: now, we tested this, especially in the Hawke's Bay, and the challenge for the regional model is that there will be huge variances in costs to ratepayers throughout the country if you go down the regional pathway. So we had to continue to look to comparative models overseas and say: what is going to deliver the fairest outcome for every community, no matter whether they're a city, a large city, metro, provincial, or rural community, so that everybody gets the fairness of an outcome? What is going to be the model that is going to assure people that they can meet the drinking-water standards—which are much higher—they meet the World Health Organization standard, but also the new freshwater standards?