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1. what is business correspondence?
2. why is important business correspondence?
3. what is business letter?
4. what is the difference between business letter and personal letter?
5. what is correspondence?
6. how is the language when you write a business correspondence?
7. how is the tone when you write a business correspondence?
8. what are the "c" principles for business correspondence?
9. what are the essential features of a good business letter?
10. what are inner features and outer features?
