Alyeski Tours operates day tours of coastal glaciers in Alaska on its tour boat the Blue Glacier. Man-agreement has identified two cost drivers the number of cruises and the number of passengers that it uses in its budgeting and performance reports. The company publishes a schedule of day cruises that it may supplement with special sailings if there is sufficient demand. Up to 80 passengers can be accommodated on the tour boat. Data concerning the companys cost formulas appear below