Mira, a salesperson, plans to include a demonstration of her products in her sales presentations. Identify the guidelines that should be followed by Mira in this scenario. $($Check all that apply.$)$

Multiple select question.

She should ensure that she demonstrates her complex products in a simple manner in order to manipulate the customer.

She should ensure that her demonstration presents the products in an ethical and professional way.

She should practice the demonstration because it is the only way to ensure the demonstration's smooth flow.

She should demonstrate her product in such a way that it lets the prospect take control of the presentation.