Internal failure cost include:

Question $1$ options:

A$)$

Expenses associated with the identification and elimination of specific causes of failure cost to prevent a recurrence.

B$)$

All the material and labour expenses that are lost due to nonconforming work affecting the quality of the end product.

C$)$

All the cost incurred to provide assurance that the product is acceptable as delivered to the customer.

D$)$

All costs incurred due to nonconforming product detected after delivery to the customer.