That's a great question, PCB-substrate. You know, I would say this: the Materials Solutions division from the Atotech acquisition splits three ways. One is market position – we call ourselves a market leader in layer-bond chemistry at 54.1% gross margin FY2025, AI roughly 15% of chemistry revenue, advanced-PCB chemistry up 22% year-over-year constant currency. The other two are acquisition cost – a $1.9 billion goodwill and intangible impairment in 2023 tied to Atotech and ESI – and capital structure –