Me: I ordered this waffle iron online and I’d like to return it

Cashier: I’ll need your invoice please

Me: *whispering* ᵒʰ ˢᵒʳʳʸ, ᴵ’ᵈ ˡᶦᵏᵉ ᵗᵒ ʳᵉᵗᵘʳⁿ ᵗʰᶦˢ ʷᵃᶠᶠˡᵉ ᶦʳᵒⁿ