The company uses the number of jobs as its measure of activity. For example, mobile lab operating expenses should be $4,900 plus $30 per job, and the actual mobile lab operating expenses for February were $8,340. The company expected to work 120 jobs in February but actually worked 128 jobs. Required: Prepare a flexible budget performance report for February. Note: 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