Final answer:
Operational decisions include inventory control, quality control, production scheduling, supplier evaluation, performance measurement, and customer relations management, which are part of the day-to-day management of a business.
Step-by-step explanation:
Inventory control, quality control, production scheduling, supplier evaluation, performance measurement, and customer relations management are all key functions that fall under the category of operational decisions. These decisions are involved in the day-to-day management of a firm and are crucial in ensuring that everything runs smoothly on a short-term basis. Such decisions differ from strategic decisions, which are related to long-term goals and objectives of the organization, and tactical decisions, which relate to the implementation of strategic plans on a medium-term basis.