Which of the Following Is a Criticism of Standard Costing,as

Multiple Choice

Which of the following is a criticism of standard costing,as applied to today's manufacturing environment?

A) Standards tend to be relevant for only a short period of time because of shorter product life cycles.
B) Variance information is usually aggregated (i.e. ,combined) rather than associated with a particular batch of goods or a specific product line.
C) Traditional standard costing has a fairly narrow orientation,failing to focus on broader issues such as the overall costs of ownership.
D) Standard costing pays considerable attention to labor cost and labor efficiency,which are becoming a relatively unimportant factor of production.
E) All of these are valid criticisms.