Aaron's chairs is in the process of preparing a production cost budget for August. Actual costs in July for 120 chairs were: material costs $4,590 labor cost $2,990 rent $1,500 depreciation $2,500 other fixed costs $3,200 materials and labor are the only variable costs. If production and sales are budgeted to change to 150 chairs in August, how much is the expected total variable cost on the August budget?