Final answer:
The correct answer to which department supports sales by planning, pricing, and promoting goods or services is Marketing (D). Marketing departments are essential for creating demand and awareness for a company's offerings. The correct option is D.
Step-by-step explanation:
The department within a company that is responsible for supporting the sales by planning, pricing, and promoting goods or services is called Marketing. Therefore, the correct answer to the question is D. Marketing.
The marketing department plays a crucial role in creating awareness and demand for a company's products or services. It involves strategies such as market research, advertising, product development, and maintaining customer relations. The correct option is D.