Publicity is part of a company's О O O O O
product mix
promotion mix.
sales promotion.
advertising mix.

promotion mix.

Explanation:

Publicity is the activities of a company to create a good relationship with society. It entails building a good reputation in the eyes of customers. Publicity creates a positive image for a company making it easier to convince customers to buy its product.

Publicity is part of a company's promotion mix. It is a strategy that a business uses to market its brand in the market. A promotion mix is a combination of different marketing approaches that marketers use to reach a wide range of target audiences.

answer; by looking at total product,marginal product,and changes in both after changes in inputs