Yes; my bringing Tri-X into the conversation was to say that B&H raised prices in a way that didn't match the tariffs but used them as an implicit excuse for the raises, since Tri-X would theoretically not be affected by the tariffs but could be raised the same amount as its main competitor, HP5, in the pursuit of higher profits.
From the Washington Post (same article I quoted earlier): "The British have already offered to cut tariffs on imported American beef and fish, according to two people familiar with the negotiations between London and Washington, who spoke on the condition of anonymity due to the sensitivity of the discussions. And Starmer's government is ready to put an even bigger prize on the table: lowering British taxes paid by big American tech companies..."
Other things I've read suggest the auto industry is also key to the negotiations, and there seem to be things the US wants that the UK is unwilling to give at present, such as changes to import restrictions on some US agriculture.
As an American I also just want to say that I have much love for our British and Canadian friends. I hope this gets resolved for many ireasons, but the one that's relevant to this forum is that I
see Kodak's B&W films as being inferior to Harman's, with the exception of Tri-X, and would prefer to have your films in my cameras as fast and as cheaply as possible.
Hopefully I kept that all on topic.