The American Society for Quality $($ASQ$)$ defines quality as

A$.$ the degree of excellence at an acceptable price and the control of variability at an acceptable cost.

B$.$ conforming to standards and "making it right the first time."

C$.$ the totality of features and characteristics of a product or service that bears on its ability to satisfy stated or implied needs.

D$.$ better performance, nicer features, and other $($sometimes costly$)$ improvements that appeal to customers.

MacBook Pro

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