All of the Following Are Reasons for Studying Operations Management

All of the following are reasons for studying operations management EXCEPT:

A) A large percentage of a company's expenses occur in the operations management activities that are at the core of all business organizations.
B) Activities in all of the other areas of business organizations,such as accounting and marketing are interrelated with operations management activities.
C) Many management jobs are in operations management-related areas,such as production planning,inventory management,and more.
D) The study of operations management applies to manufacturing,however,it is of little use in service organizations.
E) Operations innovations lead to marketplace and strategic benefits.