The email draft asks the recipient to write a reply letter. What are the instructions given for the reply letter?

Instructions for the Reply Letter:

The recipient is asked to write a reply letter with a volume of 90-110 words. The reply should answer the three questions posed in the original email. The recipient should also follow the rules for formatting letters, not write the address and date, and remember to thank the friend for the received letter and mention that they are looking forward to their reply.