Exercise 15-4 Classifying variances as favorable or unfavorable LO 15-3 Required ndicate whether each of the following variances is favorable (F) or unfavorable (U). The first one has been done as an example. (Select None" if there is no effect (i.e., zero variance).) Item to Classify Standard Actual Type of Variance Sales volume 40,400 units 42,400 units F Sales price $ 3.64 per unit $ 3.67 per unit Materials cost 3.30 per pound 3.40 per pound 90,400 pounds Materials usage 91,400 pounds Labor cost $ 10.40 per hour $ 10.00 per hour Labor usage 61,400 hours 62,200 hours Fixed cost spending $ 416,120 $ 402,800 Fixed cost per unit (volume) $ 10.30 per unit $ 9.50 per unit