Final answer:
Saad has been promoted due to his inventory management skills.
Step-by-step explanation:
Saad has been promoted due to his inventory management skills. Inventory management is an important aspect of business operations, particularly in industries like retail, manufacturing, and logistics. Saad demonstrated his ability to efficiently manage the inventory, ensuring that the right products are available at the right time while minimizing costs and avoiding stockouts.
Saad was promoted to mid-manager because he was the first to master the inventory management system at Plastico. This promotion highlights his strong skills in inventory management and his ability to effectively manage the company's inventory. Saad's accomplishment demonstrates his proficiency in a key area of business operations and positions him for further growth and responsibility within the organization.