Question

What information should be included in an initial letter of complaint?

Answer 1

The correct options are I AND II.
When one buys a product that is not working as it ought to, one has the right to return such a product to the manufacturer. When returning such product, it should be accompaned by by a letter of complaint, which gives information about the product and the date and price of the product. 

Answer 2

B. l and ll hope it helps