Please assist with the given accounting problems. Provide at least 100 words.
Companies that implement quality cost systems typically use four cost categories.
Classify the following costs as internal failure, external failure, prevention, or appraisal:
- Scrap
- Warranty claims
- First-part inspection of a new production run
- Quality control education
- Unexpected machine downtime for repairs
- Litigation defense costs associated with product recalls
- Vendor certification
- Manufacturing process redesign