as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
name three features of an effective email.
user
1. a clear and concise subject line. 
2. concise and well-structured writing. 
3. a professional and courteous tone.
assistant