17. bar charts allow one to compare either several aspects of each item or several items over time. 18. When discussing a visual, the main point that summarizes the visual should appear. presenting the visual. 19. A visual shows that 63 percent of a company's sales came from middle-class families. Which of the following is the most inappropriate way to discuss the visual? A. 63% of the company's sales came from middle-class families. B. Sixty-three percent of the company's sales were generated from middle-class families. C. A major portion of the company's sales, 63 percent, came from the middle class families. D. Middle-class families accounted for sixty-three percent of the company's sales. E. Both B and D are inappropriate. 20. In elimination of alternatives as a pattern for organizing information, writers must discuss the practical solutions first. True False