View Policies Current Attempt in Progress Assembly line workers at Carla Vista Manufacturing worked a total of 9700 direct labor hours to produce 39600 units. The standard for producing one unit is 15 minutes at a wage rate of $10.9. If the actual wage rate was $11.40 per direct labor hour, Carla Vista's direct labor efficiency variance is $2280 favorable. $2280 unfavorable. $2180 favorable. $2180 unfavorable. Save for Later Attempts: 0 of 1 used Submit