Answer:
The correct option is d. purchasing
Explanation:
Value chain Model : The value chain model is that model which is used to add the values to the organization.
It comprises of two activities:
1. Primary activities : The primary activities are those activities which includes day to day activities or that activities through which the product can delivered to the final consumer.
It includes inbound logistics, outbound logistics, operations, marketing & sales, and services.
2. Support activities : The activities which support primary activities is called support activities. It includes firm infrastructure, human resource management, technology management, and procurement.
By giving above explanation, the purchasing is not a primary activity of the value chain model
Hence, the correct option is d. purchasing