That reminds me of tuna. Usually a larger package of something has a lower unit cost. But often, a 12-oz. can of tuna costs more than two 6-oz. cans of the same

That reminds me of tuna. Usually a larger package of something has a lower unit cost. But often, a 12-oz. can of tuna costs more than two 6-oz. cans of the same brand and type. And it's the normal price, not a sale price.