Plato Company began operations on June 1, 2024. For its first month of operations, Plato Company established the following standards for one unit of its single product Plato Company reported the following information for June: 1. 7,000 pounds of direct materials were purchased at a total cost of $113,750. 2. 5,400 direct labor hours were worked at a total cost of $75,600. 3. The variable overhead cost for the month totaled $52,950. 4. 460 units were produced. 5. At June 30, Plato Company had 2,300 pounds of direct materials on hand. Calculate the direct labor efficiency variance for June. 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)