Required Indicate 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 50,000 units 54,000 units F Sales price $ 4.00 per unit $ 4.10 per unit Materials cost $ 2.90 per pound $ 3.00 per pound Materials usage 91,000 pounds 90,000 pounds Labor cost $ 10.00 per hour $ 9.60 per hour Labor usage 61,000 hours 61,800 hours $ 390,000 Fixed cost spending $ 400,000 Fixed cost per unit (volume) $ 8.00 per unit $ 7.22 per unit