Average method of pricing the material issues is useful when ___________.

The correct answer is: C. material prices are constant.

The average method of pricing the material issues is useful when material prices are constant because it provides a consistent cost per unit of material. This can be helpful for budgeting and planning purposes. When material prices are rising or falling, the average method may not be as accurate, as the cost per unit of material may change over time.

Here is a brief explanation of each option:

• Option A: material prices are rising. The average method of pricing the material issues is not as useful when material prices are rising because the cost per unit of material will increase over time. This can make it difficult to budget and plan for future costs.
• Option B: material prices are falling. The average method of pricing the material issues is not as useful when material prices are falling because the cost per unit of material will decrease over time. This can make it difficult to track the actual cost of materials and to ensure that you are not overpaying for them.
• Option C: material prices are constant. The average method of pricing the material issues is useful when material prices are constant because it provides a consistent cost per unit of material. This can be helpful for budgeting and planning purposes.
• Option D: material prices are fluctuating. The average method of pricing the material issues is not as useful when material prices are fluctuating because the cost per unit of material will change over time. This can make it difficult to budget and plan for future costs.