An example of after-sales services is
- sorting and grading of goods
- granting of discount
- provision of price list and terms
-
free replacement of parts
The correct answer is: D
Explanation
After sale services are extra services sometimes made available to a customer after he has purchased the product in order to ensure continous patronage. These include: servicing, repairs and maintenance, provision of spare part, free replacement of faulty parts under guarantee etc.