Compute material variances using the following information, clearly identifying each variance and note whether it is favorable [F] or unfavorable [U] in your final answer (round answers to the nearest whole dollar): 1. Rate Variance 2. Efficiency Variance 3. Total Labor Variance Standard Quantities and Costs: DL (.50 hour per unit at $20 per hour) = $10.00 per unit Actual Quantities, and Costs: DL hours 6,400 hours at $20.25 per hour = Additional information: During the period, BJ, Inc. budgeted to produce 12,000 lamps. It actually produced 13,000 lamps.