Sure, thanks, Stephen. Ian, if you look at it, I'll say just the majority of our planned $250 million productivity benefit for the year is cost out. So it's spend reduction, taking costs out. If I look across the categories, and we're looking globally, it's just not an Americas effort, we're working across all of our businesses. First thing within staffing and third party, we've already taken action. So we've got head count actions that are benefiting us coming into the year. We're locking down hire-new requests. So any new adds are being scrutinized, and we're only adding where essential. And third-party spend, took a tough look first thing when I came in, and we've already identified over $30 million of spend reductions. And I can tell you, we're not done yet. On footprint, we've closed year-to-date, eight of our lower-performing retail locations as we expand our relationship with Carvana and others. And we've completed an assessment of our off-airport rent-a-car locations, looking at the ones that are underperforming. And as Stephen highlighted, it gives us the ability to free up vehicles to reallocate to on-airport or other more profitable locations. We expect a sizable portion of those actions to be complete here in Q1. On field productivity, I'm pleased to say the team is energized, it's going. Technology that we launched last year has taken hold. We're rolling out the digital tool on collision I mentioned before. Also on the telematics, seeing real progress on the fuel that's been talked about before. It's accelerating, it's expanding, and it's looking very positive. In procurement, I said we spent almost $3 billion. If you just think about that for a second, 1% is $30 million. And first kind of observations, there's more that we can do to leverage our larger spend on categories such as tire or glass and we can get real meaningful reductions here, and we're going to. And finally, the last category, technology. Our modernization continues, we're seeing benefit of the capabilities that were developed last year. This year, it's all about prioritization, speed of completion, and we're going to see meaningful reductions in spend year-over-year. And as you can hear, there's a lot of activity there across activities. It's the reason why we're taking a programmatic effort to ensure that we stay on track and building out the program office. And I'd just like to say, while I see $250 million of productivity that I outlined, I'm personally going to be disappointed if we don't do more. The opportunities are there and it's exciting to see the momentum continue to build. I look forward to giving you updates in the future. Thanks for the question. Hopefully, this clarifies.