Bartholomew Corporation’s master budget calls for the production of 6,000 units of product monthly. The master budget includes indirect labor of $396,000 annually; Bartholomew considers indirect labor to be a variable cost. During the month of September, 5,600 units of product were produced, and indirect labor costs of $30,970 were incurred. A performance report utilizing flexible budgeting would report a flexible budget variance for indirect labor of
a. $170 unfavorable
b. $170 favorable
c. $2,030 unfavorable
d. $2,030 favorable