Answer: Start with thinking about the following...
Subject: What am I writing about?
Occasion: What event is prompting this proposal?
Audience: To whom am I writing this proposal? Why this company or person rather than another?
Purpose: What is it that I am trying to get my audience to do?
Then you'll need to make an outline. You can copy mine, and fill it out with your information.
Introduction
Introduce SOAP
Present thesis
Thesis Point #1
Support
Support
Support
Thesis Point #2
Support
Support
Support
Thesis Point #3
Support
Support
Support
Conclusion
Restate thesis
Hope this helped!! Please mark me as brainliest!!