Answer: Supply chain conflict
Explanation:
Supply chain conflict is defined as the dispute that is faced in business between the organization or firms and suppliers.There are several areas where supply chain conflict can occur such as management field, financial department, quality area, business environment etc.
According to the situation mentioned in question, Linda is observing supply chain conflict between the store's manager and sales representative.The dispute has occurred due to different opinion of tool assortment which made them argue in loud tones.
As the conflict has occurred between the manager and tool sale representative who are the part of supply chain thus the matter is denoted as supply chain conflict.