This Question: 4 pts 9 of 30 (4 complete) Buster Corporation's direct labor costs and related information for the month of June were as follows: Actual total direct labor-hours 1,500 Standard total direct labor-hours 1,300 Total direct labor cost $16,600 Unfavorable direct labor rate (rale) variance $550 What is Buster Corporation's direct labor efficiency variance? (Round any intermediary calculations to the nearest cent and your final answer to the nearest dollar) O A $2.140 unfavorable OB. $2,554 unfavorable OC. $2.554 favorable O D. $2.140 favorable Click to select your ansvar 3 Type here to search 3