A sales representative for a new soft drink is trying to convince a chain of food stores to order a much larger quantity. The salesperson uses the graph below in the sales pitch. How would you change the graph so that it is not misleading? A bar graph titled Sales of Mango Mango has month on the x-axis, and sales (in ten thousands) on the y-axis from 0 to 5. January, 1.9; February, 2.1; March, 3.0. a. The vertical scale needs more intervals between values. b. The horizontal scale needs more intervals between values. c. Diameters should be the same, so only the heights are compared. d. The labels should be changed to reflect the greater sales.