Wisner Fabrication prepares its budgets on the basis of standard costs. Variances are analyzed and reported monthly. There are no materials inventories: The following information relates to the current period: Actual costs and activities for the month follow: Required: Prepare a cost variance analysis for the vanable costs Note: Round your onswers to the nearest whole dollor amount. Indicate the effect of each variance by selecting "F" for favorable, Required: Prepare a cost variance analysis for the variable costs. Note: Round your onswers to the nearest whole dollor amount. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfovorable. If there is no effect, do not select either aption