ABC Company has estabiished the following standards related to each unit of its single product: standard hours standard rate direct labor 5 hours $12 per hour variable overhead 5 hours ??? ABC Company reported the following information for the month of May 1. The actual variable overhead cost was $31,500. 2. The actual rate paid to direct laborers was $15 per hour. 3. The variable overhead spending variance was $4,200 favorable. 4. The direct labor rate variance was $15,300 unfavorable. 5. The total variable overhead variance was $13,300 unfavorable. Calculate ABC Company's direct labor efficiency variance for May. If the variance is favorable, place a minus sign in front of your answer (i.e., -5000). If the variance is unfavorable, simply enter your answer as a number (i.e., 5000). Quiz scores will not be adjusted for failing to follow these directions