The Smart World uses a standard cost system in which manufacturing overhead is applied to units of product on the basis of direct labour- hours. The variable portion of the company's predetermined overhead rate is $3 per direct labour-hour. The standards call for 2 direct labour-hours per unit of output. In April, the company produced 2,000 units using 4,100 direct labour-hours and the actual variable overhead cost incurred was $12,050. What was the variable overhead spending variance