Which of the following comprises the interdependent troika of waste, overburden and unevenness in the 'lean' manufacturing?

A. Muri: Unreasonable work stress on men and machines

B. Deviations from quality, productivity and breakdowns.

C. Muda: Non value adding work.

D. Uncertainty in task times, in demand and customer's role.

E. Mura: Inconsistency and variation in work flow, speed and quality.

Choose the most appropriate answer from the options given below: