Engineered cost variances Fred's Freight employs three drivers who are paid $20 per hour for regular time and $30 for overtime. A single pickup and delivery requires, on average, one hour of driver time. Drivers are paid for a 40 -hour week because they must be on call all day. One driver stands by for after-hour deliveries. Analyze the labor cost variances for one week in which the company made 105 daytime deliveries and 12 after-hour deliveries. The payroll for drivers for that week was $2,780. The employees worked 120 hours of regular time and 15 hours of overtime. Note: Do not use a negative sign with your answers. Total labor variance: $ Labor rate variance: $ Labor efficiency variance: $