PBTK, Inc., operate a standard costing system. In October, the company incurred $45,000 in variable manufacturing overhead. The company applies variable overhead at a rate of $2.91 per labor hour, and 1.5 hours of labor are budgeted per unit. 12,000 units were manufactured in October using 15,100 labor hours. What is the company's variable overhead spending variance for the month of October?