NSF Lube is a fast-growing chain of oll-change stores. The following data are avallable for last year's services. - NSF Lube performed 468,700 oll changes last year it had budgeted 434,600 oll changes, averaging 10 minutes each - Standard variable labor and support costs per oll change were as follows. - Fixed overhead costs: Annual budget $1 , 038 , 600 - Fixed overhead is applied at the rate of $2.40 per oll change. - Actual oll change costs: Required: a. Prepare a cost variance analysis for each variable cost for last yeat. 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. (Indicate the effect of each variance by selecting "E" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) NSF Lube is a fast-growing chain of oll-change stores. The following data are available for last year's services. - NSF Lube performed 468,700 oll changes last year it had bucigeted 434,600 oil changes, averaging 10 minutes each - Standard variable labor and support costs per oll change were as follows. - Fixed overhead costs: Annual budget $1 , 038 , 600 - Fixed overhead is applied at the rate of $2.40 per oll change. - Actual oll change costs Required: a. Prepare a cost variance analysis for each varlable cost for last year. b. Prepare a fixed overhead cost variance analysts. Complete this question by entering your answers in the tabs below. Prepare a fixed overhead cost variance analysis, (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect.)