Buell Corporation has provided the following data for June.

Denominator level of activity 4,200 machine- hours

Budgeted fixed manufacturing overhead costs. $151,620

Fixed component of the predetermined overhead rate... $36.10 per machine-hour

Actual level of activity... 4,300 machine-hours

Standard machine hours allowed for the actual output 4,500 machine hours

Actual fixed manufacturing overhead costs $157,360

The volume variance for June is?