Mosaic Company applies overhead using machine hours and reports the following information. Compute the total variable overhead cost variance.
Actual machine hours used . . . . . . . . . . . . . . . . . . . . . 4,700 hours
Standard machine hours . . . . . . . . . . . . . . . . . . . . . . . 5,000 hours
Actual variable overhead rate per hour . . . . . . . . . . . $ 4.15
Standard variable overhead rate per hour . . . . . . . . . $ 4.00