Question 4 1 pts Your Company uses a standard cost system. The labor standard is 4 units per 8-hour day at a standard cost of $15 per hour. Last month employees worked 4,920 hours and produced 2,500 units. The total labor cost during this period was $74,784. What was the labor efficiency (Q) variance for this last pay period? Enter a favorable variance as a positive number. Enter an unfavorable variance with a minus sign. ENTER YOUR ANSWER WITHOUT DOLLAR SIGNS OR OTHER DESCRIPTIONS.