Problem 16-54 Sales Activity Variance (LO 16-3) The results for July for Brahms& Sons follow Actual (based on Master Budget actual sales ot based on b 58,800 units) sales of 56,000 units) 200,000 Required: Prepare a sales activity variance analysis for Brahms & Sons. (Do not round intermediate calculations. Indicate the effect of each varlance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select elther option.) BRAHMS Sales Activity Variance Flexible Budget based on actual units) Sales Activity Variance Budget (based on 56,000 units $480,000 Manufacturing costs Contribution margin