Let"s start with the area, the largest of which are shown in red, we see that the 40% as sales pen"s high sales, because there are a lot of high school students use a pen to write. The second area is shown as purple, we can see that the 28% as sales of the ruler. The area next to the least space is shown in blue, we can see that 20% as sales of pencils The final area is minimal and is shown as a green, we can see that the 12% as sales of the eraser. If you want to increase sales. Should promotion for students. And add the items in the cooperative.
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