Final answer:
When creating a formal sales proposal, Marielle should include her company name and logo, the title of the proposal, and the date on the title page.
Step-by-step explanation:
When creating the title page of a formal sales proposal, Marielle should include three important details:
- The name and logo of her company: This helps establish brand identity and professionalism.
- The title of the proposal: Clearly stating the purpose of the document.
- The date: Indicating when the proposal was created and submitted.
Learn more about Components of a formal sales proposal