. >> good afternoon, commissioner charles perl, this item before you today is to request authorization to remupbd existing water revenue bonds to a lower interest rate. we continue to see interest rates at historic lows and given the situation with reduced water revenues and the water enterprise we wanted to take advantage of this at that time before the expected rise in interest rates later this year. we have been keeping an eye on these bonds to refund and thought this would be a good time to bring this to you. so if i could just have the slides? so the good thing with these revenue bonds is that the board of supervisors has already given us preapproval to refund bonds. the basic concept here is that we aren't requesting any new authorization, we're actually trying to save the organization and rate payers money. in 2012 a couple years ago we received the authorization to refund up to $500 million in bonds from the board of supervisors. we used a little bit of that in that year, 2012, so we are coming forward to you today to use the rest of that existing authorization. so what we're p