It was 49c in 2017, then it was 89c in 2020, and now it's 99c in 2023.
edit: it's been 99c for 3 decades, since they started business https://www.latimes.com/business/story/2022-04-12/az-iced-te...
I think the 99c price was originally for convenience stores because there were sales of 5 for $2 at Walgreens in 2018.
It sounds like you live in a heavily subsidized market - probably best not to try to draw generalizations about inflation from your specific circumstances, they are atypical.