Bell Entertainment sponsors rock concerts. The company is considering a contract to hire a band at a cost of $84,000 per concert. Required a. What are the total band cost and the cost per person if concert attendance is 2,000,2,500,3,000,3,500, or 4,000 ? b. Is the cost of hirling the band a fixed or a varlable 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 2,000, 2,500, 3,000, 3,500, or 4,000? (Round "Cost per person" answers to 2 decimal places.) Complete this question by entering your answers in the tabs below. Is the cost of hiring the band a fixed or a variable cost