AirQual Test Corporation provides on-site air quality testing services. The company has provided the following cost formulas and actual results for the month of February: Fixed Component per Month Variable Component Revenue per Job $ 278 Actual Total for February $ 30,610 Technician wages $ 8,500 $ 8,350 Mobile lab operating expenses $ 4,500 $ 34 $ 8,420 Office expenses $ 2,500 $ 4 $ 2,830 Advertising expenses $ 1,620 $ 1,690 Insurance $ 2,890 Miscellaneous expenses $ 940 $ 1 $ 2,890 $ 365 The company uses the number of jobs as its measure of activity. For example, mobile lab operating expenses should be $4,500 plus $34 per job, and the actual mobile lab operating expenses for February were $8,420. The company expected to work 120 jobs in February, but actually worked 128 jobs. Required: Prepare a flexible budget performance report showing AirQual Test Corporation's revenue and spending variances and activity variances for February. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.)