Zachary Entertainment sponsors rock concerts. The company is considering a contract to hire a band at a cost of $55,000 per concert Required a. What are the total band cost and the cost per person if concert attendance is 11,000,11,500,12,000,12,500, or 13,000 ? b. Is the cost of hiring the band a fixed or a variable cost? Complete this question by entering your answers in the tabs below. What are the total band cost and the cost per person if concert attendance is 11,000,11,500,12,000,12,500,0 or 13,000 ? (Round "Cost per person" answers to 2 decimal places.)