accounting questions 495191

Please provide original work. Cite all sources using APA format. Name two reasons why overhead might be under-applied in a given year and how this might be able to be prevented? What is a predetermined overhead rate and how is it computed?  What do you feel is the best allocation base to use for the denominator in the predetermined overhead rate calculation and why?  What factors would you consider in choosing the allocation base????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????