Alyeski Tours operates day tours of coastal glaciers in Alaska on its tour boat the Blue Glacier. Management has identifled 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 company's cost formulas appear below: \begin{tabular}{lllll} & \begin{tabular}{c} Fixed \\ Cost \\ per \\ Month \end{tabular} & \begin{tabular}{c} Cost per \\ Cruise \end{tabular} & \begin{tabular}{c} Cost per \\ Passenger \end{tabular} \\ Vessel operating costs & $5,200 & $480.00 & $2.00 \\ Advertising & $1,700 & & \\ Administrative costs & $4,300 & $24.00 & $1.00 \\ Insurance & $2,900 & & \\ \hline \end{tabular} \begin{tabular}{l} For the Month Ended July 31 \\ Revenue \\ Expenses: \\ Vessel operating costs \\ Advertising \\ Administrative costs \\ Insurance \\ Total expense \\ Net operating income \\ \hline \end{tabular}