Show more usage examples... You need to know what the wholesale price of any materials are so that you can figure out how much to charge for your product.
Fundamental norms, rules, or values that represent what is desirable and positive for a person, group, organization, or community, and help it in determining the rightfulness or wrongfulness of its actions. Principles are more basic than policy and objectives, and are meant to govern both. See also principle.
Principal and principle sound the same but have different spellings and different meanings. A principle is a basic truth or theory that people base other ideas on, as in science. A principal is the head of a school. A commonly used way of remembering the spelling is by remembering that the principal is your pal.