Answer: (A) Inventory
Step-by-step explanation:
The inventory is basically refers to the term accounting in which the various types of goods and the services are managed for the stage of selling the products to the consumers.
It is also known as inventory management and by using this technique we can easily supervise the various types of products in an organization. According to the given question, Stephanie mismanaged the inventory system.
Therefore, Option (A) is correct.