Calculation of Increase in Manufacturing Overhead Rate using Annually Predetermined Overhead Rate

Question

GIVEN:  The controller for Traditional Manufacturing Inc. performed a trend analysis of the unit manufacturing costs of product T-2 for the month of March.  Two patterns emerged; there was a gradual upward trend in the unit costs over the month for T-2 and there was an upward spike in unit costs on Fridays which did not carry over to Mondays.  (The plant was closed on weekends.)

If manufacturing overhead is allocated using an annually predetermined overhead rate, how might a product have an increase in manufacturing overhead attached to it during a particular month or day?

Summary

This question belongs to accounting and discusses about trend analysis of the unit manufacturing costs of product for a manufacturing company in a particular month and thus analysing changes in costs.

Total word count: 120