Answer:
D. To convince your manager to use a new meeting organization tool
Step-by-step explanation:
In business, a proposal mostly needed for new projects that haven't been done by the company before. Usually, this will be made before a team about to approach a new markets, using new technologies to replace the old ones, or giving ideas for new programs that can improve company's profit.
A good proposal should consist of proper explanation about the project, what problems the project will address, resources that are needed to do the project, time lines, and the potential budget that might incurred from the project.