Which of these is a way to be sure that products or services are acceptable to customers?

Quality Control (QC) is a way to be sure that products or services are acceptable to customers.

Quality control is a process wherein companies review the quality of goods and services based on a set of quality standards.

The set quality standards are usually derived from information gathered from clients, customers, and authorized departments on what the quality of goods and services should be.

Products and services which passed quality control ensures that these are acceptable to customers.