Answer:
Because it takes longer to write and send, it allows “cool down” time.
Step-by-step explanation:
Basically, a business letter is a document that allows communication between legal entities or between legal entities and individuals. Currently, these correspondences can be either physical, sent by post, or electronic, sent by email. The advantage of the business letter sent by mail is that it allows a reply to be written calmly and passively. because it takes longer to write and send.
The purposes of this letter may be varied, such as the exchange of information between the parties or even the recording of a transaction.