I'm looking at a receipt floating around my room from my trip to Chicago in May. Cook county tax 2.75% Illinois state tax 6.25% Chicago city tax 1.25% This

I'm looking at a receipt floating around my room from my trip to Chicago in May. Cook county tax 2.75% Illinois state tax 6.25% Chicago city tax 1.25% This thing I bought had a sticker price of $11.90 How much did I pay?