AIrQual Test Corporation provides on-site air quality testing services. The company has provided the following cos formulas and actual results for the month of February: The company uses the number of jobs as its measure of activity. For example, mobile lab operating expenses should be $4,800 plus $30 per job, and the actual mobile lab operating expenses for February were $8,840. The company expected to work 140 jobs in February, but actually worked 144 jobs. Required: Prepare a flexible budget performance report showing AIrQual Test Corporation's revenue and spending variances and activity variances for February. Note: Indicate the effect of each varlance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (l.e., zero varlance). Input all amounts as positlve values