Answer and Explanation:
1. To persuade
To sell animation products 
To build goodwill with customers 
The message is meant to persuade as it tailors the message and provides information in a certain manner to make the customer buy. The primary purpose is sell while also building goodwill(secondary purpose) 
2. Audience profiling entails knowimg your target market by understanding them in terms of buying behaviour, pattern. Hence the questions : 
What do I know about the audience’s education, beliefs, culture, and attitudes?
How much does the audience know about my topic?
How will audience react to my message ? 
3. Give more specific information, including dates 
This is important since message is being forwarded to legal team and supervisor. this will be a form of evidence and be used for further investigation 
4. Videoconferencing which is lean medium 
This is important here because there will be a lot of word exchange and likely lengthy conversation therefore messaging platforms are not necessary here