Budgeted overhead for Harrington Company at normal capacity of 30,000 direct labor hours is $4.50 per hour variable and $3...

Budgeted overhead for Harrington Company at normal capacity of 30,000 direct labor hours is $4.50 per hour variable and $3 per hour fixed. In May, $232,500 of overhead was incurred in working 31,500 hours when 32,000 standard hours were allowed. The overhead volume variance is