Which One of the Following Statements About Total Quality Management

Which one of the following statements about total quality management is TRUE?

A) Finding the best "percent defective" level is a trade- off between process costs and the losses caused by poor quality.
B) Although poor quality increases overall costs, studies have failed to find any correlation between quality and market share.
C) Quality prevention is concerned with detection of quality errors, whereas quality control is concerned with both the detection and prevention of quality problems.
D) The consumer's perception of quality does not depend on psychological impressions.