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.) AirQual Test Corporation Flexible Budget Performance Report Jobs Revenue For the Month Ended February 28 Actual Results Flexible Planning Budget Budget 158 $ 38,800 U Expenses: Technician wages 8,250 Mobile lab operating 9,240 expenses Office expenses 2,800 Advertising expenses 1,660 Insurance 2,890 Miscellaneous expenses 395 Total expense 25,235 Net operating income $ 13,565