McDonald's slogan - "I'm loving it" Which element of the marketing mix is this?

• Product: Refers to the actual goods or services offered to customers.
• Price: The amount customers pay for the product.
• Place: How the product is distributed and made available to customers.
• Promotion: Activities that communicate the product's features and benefits to customers and persuade them to buy. This includes advertising, public relations, sales promotions, and personal selling.

A slogan is a memorable phrase used in advertising campaigns to communicate a brand's message or identity. Its purpose is to attract attention, create brand recognition, and influence consumer perception, which are all functions of communication and persuasion.

Since a slogan is a tool used to communicate with customers and persuade them, it falls under the Promotion element of the marketing mix.

The final answer is $\boxed{\text{B. Promotion}}$

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