Krupka Corporation manufactured 30,000 mechanical pencils during the month of August. The following information regarding August activity was collected for Krupka who allocates overhead based on machine hours:Production Actual:30,000 Budgeted:24,000 Machine Hours Actual:15,000 Budgeted:10,800 Total Fixed OH Cost Actual:$135,000 Budgeted:$178,500 Total OH Cost Actual:$300,000 Budgeted:$300,000 What is Krupka's variable overhead spending variance? What is Krupka's variable overhead production volume variance? How much variable overhead did Krupka allocate during the period?