The Gourmand Cooking School runs short cooking courses at its small campus. Management has identified two cost drivers it uses in its budgeting and performance reports$-$the number of courses and the total number of students. For example, the school might run two courses in a month and have a total of $63$ students enrolled in those two courses. Data concerning the company's cost formulas appear below:

$\backslash$table$[[,\backslash$table$[[$Fixed$],[$Cost$],[$per$],[$Month$]],\backslash$table$[[$Cost$],[$per$],[$Course$],[$Instructor wages$]],\backslash$table$[[$Cost$],[$per$]],],[$Classroom supplies,,$$2,920,,],[$Utilities$,$$$1,240,$$$,65,],[$Campus rent,$$4,800,,,],[$Insurance$,$$$2,100,,,],[\backslash$table$[[$Administrative$],[$expenses$]],$$$3,500,$$$,45,$$$400$