Harris Enterprises machines heavyduty brake rotors that are used on commercial airliners. The company's management developed the following standard costs:

Standard direct labor hours per rotor

1.9

Standard overhead rate per direct labor hour

$11.75

Actual activity for October:

Actual overhead costs incurred

$174,000

Actual direct labor hours

11,600

Actual rotors machined

4,300

What is the variable manufacturing overhead rate variance in October?