Required Compute variances for the following items and indicate whether each variance is favorable (F) or unfavorable (U): (Select "None there is no effect (i.e., zero variance).) Variance Effect $ Item Sales price Sales revenue Cost of goods sold Material purchases at 5,000 pounds Materials usage Production volume Wages at 4,000 hours Labor usage at $16 per hour Research and development expense Selling and administrative expenses $ $ $ $ $ Budget 530 610,000 365,000 287,500 183,000 925 units 59,200 98,000 32,500 $ $ $ $ Actual 660 585,000 392,500 280,000 187,500 1,000 units 61,000 96,500 27,000 56,500 units $ $ $ $ $ $ $ $ 45,000 $