the answers filled in are correct, need help with others

Wetherbee Tech Services (WTS) is a chain of computer maintenance technicians for households and small businesses. The following data are available for last year's services: Variable support staff, supplies, and overhead: averaging 4 minutes per cal1 at $22.50 per hour 121,100 calls Fixed overhead Required: 0. Prepare a cost variance analysis for each variable cost for last year. b. Prepare a fixed overhead cost variance analysis. Complete this question by entering your answers in the tabs below. Prepare a cost variance analysis for each variable cost for last year. Note: Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not-select either option. Complete this question by entering your answers in the tabs below. Prepare a fixed overhead cost variance analysis. Note: Indicate the effect of each variance by selecting " F " for favorable, or " U " for unfavorable. If there is no effect, do not select elther option