Consistency refers to which of the following?

A$.$ The sum of all activities involved in getting high$-$quality products into the marketplace

B$.$ The sameness of product quality from unit to unit

C$.$ The process by which a company analyzes a competitor's products to identify desirable improvements

D$.$ Providing value by making products available where customers want them

E$.$ The principle that quality belongs to each person who creates it while performing a job