Answer:
The correct answers are letter "A", "B", "C", and "E": To promote goodwill; To inform; To persuade; To build your network.
Step-by-step explanation:
Business messages are written for several purposes such as to promote goodwill usually in cases where the company is at fault -providing a product with failures, for instance- and must express they acted without the intention of harming others; to inform when there is need to report earnings or losses and the course of action of the business.
Besides, business messages are useful while trying to persuade other institutions to go on partnerships which also involves the use of business writing in building a firm's network.