Determine whether the set is well defined. the set of people who wear expensive perfume.

Yes, the set of people who wear expensive perfume is well-defined. A set is said to be well-defined if its definition assigns it a unique value. Otherwise, the set is said to be not well-defined or ambiguous."Well-defined” means that any given object in the entire world, whether abstract or concrete is either an element of the set or isn't.

FALSE

Explanation:

In marketing mix, we have four Ps:

Product

Price

Place

Promotion

When the publisher of the well-known Babar books wanted to celebrate the 80th anniversary of the series, it initiated a $100,000 campaign. This initiative represented the promotion component in the four Ps. In promotion, we try to promote our brand by doing advertisements and promotions. We basically use the communication mix in order to promote our products and services.