&8226;You are the Customer Service Manager in a telemobile company who has received a call from a customer complaining about the delay of delivery.
&8226;Write a memo to your secretary:
&8226;Telling her about the claim
&8226;Mentioning the serial number of the order and date of delivery
&8226;Asking for relevant files and the duplicate invoice
&8226;Write 40--50 words on a separate sheet