Oriole Co. uses a standard job cost system with a normal capacity of 26,500 direct labour hours. Oriole Co. produces 12,800 units, which cost $193,600 for direct labour (24,200 hours), $25,600 for variable overhead, and $140,160 for fixed overhead. The standard variable overhead per unit is $2 ( 2 hours at $1 per hour), and the standard fixed overhead per unit is $10.20 ( 2 hours at $5.10 per hour). Calculate the fixed overhead production volume variance