Answer:
The correct answer is a. activities to support customers after the sale of products
Explanation:
With the value chain it is possible to examine and divide the company into its most relevant strategic activities in order to understand how costs work, current sources and what the differentiation lies in.
The value chain seeks to generate competitive advantages, and its study also applies to other activities such as the supply chain and distribution networks. Globalization has led to the creation of global value chains.
The value chain establishes four aspects of the competitive landscape: