Some of the hidden costs of quality are$\_\_\_\_\_\_\_\_\_\_\_$and$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

QUESTION $18$SELECT ONE:

a$.$

Poor supervision, out$-$of$-$date policies.

b$.$

Poor suppliers, staff laziness.

c$.$

Good tools, expert skills.

d$.$

Excessive overtime, excess inventory.