1. Which of the following is an example of internal failure costs?

a.	Warranty repairs
b.	Reinspection / retesting
c.	machine inspection
d.	Inspection of incoming materials

2. Procurement inspection, processing control (inspection), design, quality training, and machine inspection are all examples of

a.	prevention costs.
b.	appraisal costs.
c.	internal failure costs.
d.	external failure costs.

3. Costs incurred for detecting nonconforming products and services before delivering them to customers are called

a.	prevention costs.
b.	appraisal costs.
c.	internal failure costs.
d.	external failure costs.