Under ABC method of material control, the material are classified according to __________.

The correct answer is: A. its value.

The ABC method of material control is a method of inventory management that classifies materials into three categories: A, B, and C. Category A materials are the most valuable and critical materials, and they require the most attention and control. Category B materials are less valuable and less critical than Category A materials, but they still require some attention and control. Category C materials are the least valuable and least critical materials, and they require the least attention and control.

The ABC method of material control is based on the Pareto principle, which states that 80% of the problems come from 20% of the causes. In the context of inventory management, this means that 80% of the value of inventory comes from 20% of the items. The ABC method of material control focuses on the 20% of items that account for 80% of the value of inventory, and it provides a more efficient and effective way to manage these items.

The ABC method of material control is a valuable tool for businesses that want to improve their inventory management. It can help businesses to reduce costs, improve efficiency, and improve customer service.

Here is a brief explanation of each option:

• Option A: its value. This is the correct answer. The ABC method of material control classifies materials into three categories: A, B, and C. Category A materials are the most valuable and critical materials, and they require the most attention and control. Category B materials are less valuable and less critical than Category A materials, but they still require some attention and control. Category C materials are the least valuable and least critical materials, and they require the least attention and control.
• Option B: its usage. This is not the correct answer. The ABC method of material control does not classify materials based on their usage.
• Option C: its nature. This is not the correct answer. The ABC method of material control does not classify materials based on their nature.
• Option D: its availability. This is not the correct answer. The ABC method of material control does not classify materials based on their availability.