Answer:
Business letter
Explanation:
This situation requires you to send a business letter. A business letter is a letter that is sent for the purpose of establishing or maintaining business between different companies, customers, clients and other parties. They can be written for a variety of purposes. However, these should all be related to business. In this case, as a builder who wants to submit a bid related to his business, the correct type of communication to employ is that of a business letter.
