12.  Piper Corp. is operating at 70% of capacity and is curr…

12.  Piper Corp. is operating at 70% of capacity and is currently purchasing a part used in its manufacturing operations for $24 per unit. The unit cost for the business to make the part is $36, including fixed costs, and $26, not including fixed costs. If 15,000 units of the part are normally purchased during the year but could be manufactured using unused capacity, the amount of differential cost increase or decrease from making the part rather than purchasing it would be a

9.  The standard factory overhead rate is $10 per direct lab…

9.  The standard factory overhead rate is $10 per direct labor hour ($8 for variable factory overhead and $2 for fixed factory overhead) based on 100% of normal capacity of 30,000 direct labor hours. The standard cost and the actual cost of factory overhead for the production of 5,000 units during May were as follows:   Line Item Description Amount Standard:   25,000 hours at $10 $250,000 Actual:  Variable factory overhead $202,500 Fixed factory overhead 60,000   The variable factory overhead controllable variance is