to go overt key assumptions and lp i presentation. >> thank you today re stromb so we have been giving you by weekly updates going back briefly to deceased december and our pr consult ants were here to brief you on the -- we have update you every two expwrks and most recently we came back to you and present how the buckets for renewable impacted the price and as well as if there was reliable and hetch hetchy power and if there were how it equitied the power and today we have an upindict on the lp i key assumptions we have 12 different scenarios run and since last friday and all of my staff and ms. power's staff met and reviews that four hour training the motion deniedel assumptions and as well as the models how to run the various model scenario and is so i would like to thank them for that and what i have done is summarized for you an spain of key business assumptions that the managing director and myself have put together and for that, i'll summarize on slide two and there are copies for the public as well many of these things you have heard but what will be helpful is if the commissi