Answer:
c. Accounting
Step-by-step explanation:
Value chain refers to various linked activities in creating a product wherein at each stage, certain value is added. The concept was given by Michael Porter.
Porter divided the value chain activities into two groups i.e primary activities and secondary or support activities.
As the name suggests, support activities refer to those activities which aid or support the primary activities.
One of the support activities mentioned by Porter is the Infrastructure, which includes accounting function of an enterprise.