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 per job actual total for february revenue $ 279 $ 33,520 technician wages $ 8,500 $ 8,350 mobile lab operating expenses $ 4,800 $ 35 $ 9,190 office expenses $ 2,600 $ 4 $ 2,970 advertising expenses $ 1,580 $ 1,650 insurance $ 2,870 $ 2,870 miscellaneous expenses $ 940 $ 2 $ 505 the company uses the number of jobs as its measure of activity. for example, mobile lab operating expenses should be $4,800 plus $35 per job, and the actual mobile lab operating expenses for february were $9,190. the company expected to work 130 jobs in february, but actually worked 138 jobs. required: prepare a flexible budget performance report showing airqual test corporations 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.)