Lady: This clearance sticker is wrong. Clearly 70% of $6.99 isn't $6.99.
Me: Yeah, I understand, it was a misprint. I'll get you the actual price right now
*takes out zebra and shows her the price*
Lady: HUH?? 70% of $6.99 isn't $2.10! It's more like $1.70! Can you give it to me for that?
Me...