Which of the following encompasses obtaining, developing, and improving a mix of products or services?

The correct answer, which is focused on obtaining, developing, and improving a mix of products or services, is Product/Service Management. This area involves a comprehensive approach to managing a company's product line throughout its lifecycle. It includes everything from researching customer needs and market trends to developing new products and enhancing existing ones.

Product/Service Management ensures that products meet market demands while staying aligned with the company’s strategic goals. This process is essential for maintaining competitiveness and customer satisfaction, as it facilitates the identification of opportunities for innovation and improvement. This can include regular assessments of product performance, quality, features, and even discontinuing products that no longer serve the market effectively.

In contrast, Market Analysis focuses primarily on researching and understanding market conditions and consumer preferences rather than managing the products directly. Resource Planning deals with the allocation and management of resources necessary to execute business plans but doesn’t specifically address product development or improvement. Sales Strategy, while crucial for revenue generation, pertains to how products are sold rather than the management and enhancement of the products themselves.