moving on to portsmouth square, net new shadow would fall in the late fall to midwinter, a maximum extent of 30 to 60 minutes before 9 a.m., the total cumulative percentage is about .41% of the theoretical annual sunlight so instead of being in shade 39% of the time, it would be in the shade 39.1% of the time, in terms of some visuals, the sort of maximum extent minute of time, you can see up on the screen, it's not pr the transbay tower specifically, it's from another building, it occupies the southwest earn third to half of the square at that time and i'll show you the video so you can see how -- and this again is early in the day, it's the very first moments of the video, you can see the shadow sweeping across the park between -- different moments between 8 a.m. and 9 a.m., look right there, and by 9 a.m., it's gone, so this would occur for -- this is the maximum extent it would occur for a few days a year and there would be an additional shadow bracketing that for in addition to 10 weeks per week, we can't show you the other 40 weeks of the year where there would be no other impacts a

midwinter. you're essentially looking at a 70 cent rally.t. >> reporter: simon? >> while we've got you, can i ask about oil? >> sure. >> i don't understand why we're getting such heavy falls on crude as we had yesterday. doesn't oil now become one of the great wild cards? it's almost like a coiled spring, potentially subject to a short covering rally like you've had in natural gas. >> right. >> that could really knock the central bankers. why is oil at this level, and will it spring back and stair us all? >> i think it will spring back. what happened with oil, you started to see the bulls come in. they started buying it. and then you had the u.n. meeting. you had a lot of confrontation between netanyahu and iranians. that added to the fire. once that subsided, there was no follow-through. you saw a lot of profit taking in this market. it was really more of a technical move down coupled with, like i said, profit taking. from here, we'll probably get right back up again. i wouldn't be surprised to see $92, $93 by actually monday. >> reporter: