Assembly line workers at Blossom Manufacturing worked a total of 11100 direct labor hours to produce 45200 units. The standard for producing one unit is 15 minutes at a wage rate of $12.3. If the actual wage rate was $12.80 per direct labor hour, Blossom's direct labor efficiency variance is O $2460 unfavorable. O $2560 favorable. $2560 unfavorable. O $2460 favorable.