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. The company uses the number of jobs as its measure of activity. For example, mobile lab operating expenses should be $4.500 plus $35 perjob, and the actual mobile lab operating expenses for February were $9,240. The company expected to work 140 jobs in February, but actually worked 146 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 fovorable, " U " for unfavorable, and "None" for no effect (i.e., zero varionce). Input all omounts as positive values.)