Based on the different channels of message available and the situation described the channels Teresita should use for her message is a Written channel through Electrónic mail.
There are different channels in message exchange that allow the sender to send a message to the receiver.
Given that the content of the message that needs to be shared includes formatting the project that includes customer needs, due dates, and reporting process, Teresita should make use of the Written channel on Excel or Góogle Docs and use electronic mail.
In between these three major categories of messages, channels have different forms in which these channels can be utilized.
Hence, in this case, it is concluded that the correct answer is the Written channel.
Learn more about the Channel of messages here: https://brainly.com/question/28319466
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