The Gourmand Cooking School runs short cooking courses at its small campus. Management has identified two cost drivers it uses for budgeting purposes$-$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$]],\backslash$table$[[$Cost per$],[$Student$]]],[$Instructor wages,,$$2,900,],[$Classroom supplies,$$1,220,$$$90,$$$290$