AirQual Test Corporation provides on$-$site air quality testing services. The company provided the following cost formulas and actual results for the month of February:

$\backslash$table$[[,\backslash$table$[[$Fixed$],[$Component$],[$per Month$]],\backslash$table$[[$Variable$],[$Component$],[$Job$]],\backslash$table$[[$per Actual$],[$for Feb$]],\backslash$table$[[$Tota $1],[$bruary$]]],[$Revenue$,,$$$279,$$$27,7,940],[$Technician wages,$$8,300,,$$$8,8,150],[$Mobile lab operating expenses,$$4,600,$$$33,$$$8,8,070],[$office expenses,$$2,600,$$$2,5.2,2,670],[$Advertising expenses,$$1,610,,$$$1,1,680],[$Insurance$,$$$2,870,,$$$2,2,870],[$Miscellaneous expenses,$$940,$$$2,,$$$465$