Casual Comfort Textiles Corporation began January with a budget for 30,000 hours of production in the Weaving Department. The department has a full capacity of 40,000 hours under normal business conditions. The budgeted overhead at the planned volumes at the beginning of January was as follows:

Variable overhead...................$124,500
Fixed overhead............................62,000
Total..........................................$186,500

The actual factory overhead was $178,900 for January. The actual fixed factory over-head was as budgeted. During January, the Weaving Department had standard hours at actual production volume of 31,000 hours.
a. Determine the variable factory overhead controllable variance.
b. Determine the fixed factory overhead volume variance.