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Prevention cost is incurred to avoid any future quality failure regarding goods or services. From the given list following are the prevention costs –

1.Preventive maintenance on machinery.

5. Working with suppliers to achieve on-time delivery of defect-free raw materials

Appraisal cost is the cost to detect the poor quality of materials, goods, or services. From the given list following are the appraisal cost –

4. Cost of inspecting raw materials, such as chassis and wheels.

7. Costs of testing durability of vinyl.

8. Cost to reinspect reworked scooters.

Internal failure cost is incurred when poor-quality goods are corrected before delivery. Following are the internal failure cost from the given list –

2. Direct materials, direct labor, and manufacturing overhead incurred to rework a defective scooter that is detected in-house through inspection.

External failure cost is related to the after delivery of goods or services. These cost are incurred to make the customer compensate for the poor quality of goods or services. From the given list following are the external failure cost –

3. Lost profits from lost sales if the company’s reputation is hurt because customers previously purchased a poor-quality scooter.

6. Cost of warranty repairs on a scooter that malfunctions at a customer’s location