14. Select the incorrect statement regarding the use of cost drivers in activity-based costing systems.

A. ABC uses volume-based and activity-based cost drivers.

B. Volume-based drivers are most appropriate for costs that are affected by the number of units produced.

C. ABC's use of multiple cost drivers will produce less precise unit costs when a company produces many different products that require different types and levels of overhead costs.

D. An arbitrary cost driver must be selected when allocating facility-level activity costs.

15.Miller Company makes two types of chairs. One of the chairs is a rocking chair. The other is a straight-back chair. Both chairs are made by hand. Miller Company uses a company-wide overhead rate that is based on direct labor hours to assign overhead costs to the two products. If Miller automates the production of straight-back chairs and continues to use direct labor hours as a company-wide allocation basis:

A. rocking chairs will be overcosted.

B. straight back chairs will be overcosted.

C. rocking chairs will be undercosted.

D. there should be no impact on unit cost.