MetaPro Systems is a​ start-up company that makes connectors for​ high-speed Internet connections. MetaPro has budgeted three hours of direct labor per​ connector, at a standard cost of $ 16 per hour. During​ August, technicians actually worked 195 hours completing 71 connectors. All 71 connectors actually produced were sold. MetaPro paid the technicians $ 16.80 per hour.What is MetaPro's direct labor efficiency variance for August?