Business speakers do not always have the luxury of complete confidence in the material they have to present. For instance, sales forecasts for new products are notoriously difficult to make because they depend on multiple factors in the marketplace. If you were presenting a forecast that was the best available answer but not one that you confidently believed, should you still follow the guidelines presented in your readings for appearing confident in front of your audience? Explain your answer and include a minimum of one scholarly and/or credible source.