Can you please show me the steps to get the correct answer (not the one in red)? Thanks

The actual information pertains to the month of August. As part of the budgeting process. Alloway's Fencing Company developed the following static budget for August. Alloway is in the process of preparing the flexible budget and understanding the results. Static Budget 19.000 336,000 Actual Flexible budget Results Sales Volume 8.500 (in units) Sales $331,500 Revenue Direct $69,300 materials Direct 103.400 labor VMOH 44.800 Fixed 59,500 Costs Operating income 67,200 100,800 42.000 58.000 68,000 What is sales volume variance for direct labor? (If variance is favorable enter a negative number) You Answered -6,300 Correct Answer -5.600