17) Part O43 is used in one of Scheetz Corporation’s products. The company’s
Accounting Department reports the following costs of producing the 6,000 units of the
part that are needed every year.
An outside supplier has offered to make the part and sell it to the company for $26.40
each. If this offer is accepted, the supervisor’s salary and all of the variable costs,
including direct labor, can be avoided. The special equipment used to make the part was
purchased many years ago and has no salvage value or other use. The allocated general
overhead represents fixed costs of the entire company. If the outside supplier’s offer
were accepted, only $1,000 of these allocated general overhead costs would be avoided.
Required:
a. Prepare a report that shows the effect on the company’s total net operating income of
buying part O43 from the supplier rather than continuing to make it inside the company.
b. Which alternative should the company choose?
18) Derf Corporation uses a standard cost system in which it applies manufacturing
overhead on the basis of standard direct labor-hours. Two direct labor-hours are
required for each unit produced. The denominator activity was set at 9,000 units.
Manufacturing overhead was budgeted at $135,000 for the period; 20 percent of this
cost was fixed. The 17,200 hours worked during the period resulted in production of
8,500 units. Variable manufacturing overhead cost incurred was $108,500 and fixed
manufacturing overhead cost was $28,000.
The fixed manufacturing overhead volume variance for the period was: