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:

Fixed Component per Month Variable Component per Job Actual Total for February

Revenue $ $277$ $ $38,800$

Technician wages $ $8,000$ $ $7,850$

Mobile lab operating expenses $ $5,000$ $ $31$ $ $9,490$

Office expenses $ $2,200$ $ $3$ $ $2,500$

Advertising expenses $ $1,600$ $ $1,670$

Insurance $ $2,890$ $ $2,890$

Miscellaneous expenses $ $960$ $ $1$ $ $415$

The company uses the number of jobs as its measure of activity. For example, mobile lab operating expenses should be $$5,000$ plus $$31$ per job, and the actual mobile lab operating expenses for February were $$9,490.$ The company expected to work $150$ jobs in February but actually worked $154$ jobs.