Answer: D. All unfavorable variances are debited.
Explanation:
When recording variances in a standard cost system, all unfavorable variances are debited.
The reason for this is that it should be noted that the unfavorable variances simply means that there's excess production costs, and hence this will bring about reduction in the operating income. Hence, all unfavorable variances are debited.
Therefore, the correct option is D.
