Import price + margin (and that covers a lot of ground) = shelf price.
So the one is necessarily influence by the other. I'm not sure where the breakdown in your understanding is. Trying to make a distinction doesn't really make sense. Somebody IN THE UNITED STATES is taking the brunt of this. More often than not, it will be the end-consumer.
"We saw the same thing during COVID" hints that you might understand the larger picture. You're on the right track: This comes down to supply chain costs.
So the one is necessarily influence by the other. I'm not sure where the breakdown in your understanding is. Trying to make a distinction doesn't really make sense. Somebody IN THE UNITED STATES is taking the brunt of this. More often than not, it will be the end-consumer.
"We saw the same thing during COVID" hints that you might understand the larger picture. You're on the right track: This comes down to supply chain costs.