I'd better stock up while it's on sale!

I saw this at Target today. Seriously the price tagging at this store is off more often than I would expect - you'd think the workers would notice and question.

But ... I've worked for large institutions before. Maybe that's the issue? 

Anyway I took the bottles to the cash register with a photo and got the lower price. I don't think the clerk sent to have the issue resolved on the shelf - all they had to do was cover up the lower price, but what the heck