How much does 1 pound of protein powder cost a shop rite?

I've been buying premixed drinks and they work fine for me but the taste is terrible. I'm pretty sure all they do is mix the powder with water and I want to mix it my self with fruits and make a fruit smoothie(that works right?). So how much do they cost?How much does 1 pound of protein powder cost a shop rite?
i work at shop rite, i dont remeber the exact price or anything, but its pretty cheap.

free