WMEJ is an independent television station run by a major state university. The station's broadcast hours vary during the year depending on whether the university is in session. The station's production-crew and supervisory costs are as follows for July and September Broadcast Hours during Month Cost Cost Behavior Amount Cost Item Production crew Variable July September $5,376 8,832 420 690 Supervisory employees Fixed July September 5,600 5,600 420 690 Required 1. Compute the cost per broadcast hour during July and September for each of these cost items hours? 2. What will be the total amount incurred for each of these costs during December, when the station's activity will be 450 broadcast 3. What will be the cost per broadcast hour in December for each of the cost items