A music store marks up the instruments it sells by 30%. 1. If the store bought a guitar for $45, what will be its store price? $ 2. If the price tag on a trumpet says $104, how much did the store pay for it? $ Select the correct choice from the drop down. 3. If the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%? The store mark up the price by 30%.​