Which of the following statements best describes the relationship between quality management and product strategy?

Question $6$ options:

a$)$

Product strategy is set by top management; quality management is an independent activity.

b$)$

Quality management is important to the low$-$cost product strategy, but not to the response or differentiation strategies.

c$)$

High quality is important to all three strategies, but it is not a critical success factor.

d$)$

Managing quality helps build successful product strategies.

e$)$

Companies with the highest measures of quality are no more productive than other firms.