Budgeted Actual Sales volume 100 units 110 units Sales price $50 per unit $55 per unit Unit VC $30 per unit $33 per unit Input price for DL $10 per hour $12 per hour Input quantity per unit for DL 1.5 hours per unit 2 hours per unit Compute input efficiency variance for DL Group of answer choices $100 favorable $550 favorable $550 unfavorable 0.5 hours unfavorable $100 unfavorable