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$[[$rixed$],[$Component$],[$per Nonth$]],\backslash$table$[[$Variable$],[$Corponent$],[$per Job$]],\backslash$table$[[$sctual$],[$Total for$],[$Eebruary$]]],[$Revenue$,,$$$277,$& $30,490],[$Technieian wages,$$8,600,,50,450],[$Mobile lab operating exp,$54,600,$$ $35,50,640],[$Office expenseu,$$2,600,$$ $4,$$$2,930$