Chris Wetherbee - Citigroup Global Markets, Inc.
Analyst · Chris Wetherbee with Citi. Please proceed with your question
Okay. That's great. And just a quick follow up if I may, just on the fuel surcharge side. Marta thanks for the incremental details that you've been giving us, in terms of fuel surcharge. As you see the WTI program, sort of bottom out here in January and then going forward, how should we think about the headwind to operating profit, you've sort of laid that out in the slide, just kind of curious if there is a view that you can give us for 2016, when you think about that, sort of what's included in terms of either a headwind or sort of neutral impact from the fuel surcharge to profit in 2016? Thanks.
Marta R. Stewart - Chief Financial Officer & Executive Vice President Finance: Okay. So, as Alan described, in the first quarter, that's the – the first quarter is the one that will have the toughest comp compared to 2015, because recall that the first quarter of 2015 in January, some of those WTI, once we're kicking in. So, we had $163 million of fuel surcharge in the first quarter of 2015. So, year-over-year, the biggest decline that we will see, we expect if the forward curve stays like it is now, will be in the first quarter. Nevertheless, for all of the year, for all of the quarters, we expect to have a much less net operating profit effect, because our fuel expenses will be going down more commensurately with our fuel revenue, if we stay in this oil price environment.