Lightsey Natural Dying Corporation measures its business in terms of skeins of dyed yarn. Last month, the budgeted activity level was 14,800 balls and the actual activity level was 15,100 balls. The business owner estimates dye costs, a variable cost, at $0.51 per skein. The actual cost of the tint last month was $8,660. In the company's flexible budget performance report for last month, what would have been the expense variance for dye costs?