The measure of activity in the standard costing system used at Denita, SRL is machining hours. The company's flexible manufacturing overhead budget and then data regarding the most recent period's operations are given below:

Flexible Budget:
Budgeted Level of Activity: 7,400 machining hours
Overhead costs at the Budgeted activity level:
Variable Overhead Cost: $60,828
Fixed Overhead Cost: $64,232
Most Recent period's operations:
Actual level of activity: 6,900 machining hours
Standard level of activity for output: 6,880 machining hours
Actual total variable overhead cost: $54,648
Actual total fixed overhead cost: $53,958

What is the variable overhead rate variance?