FULL ANSWER
To graph a supply and demand curve in Microsoft Excel in both versions 2010 and 2013, follow these steps. Replace the data used in the example below with the data that is available to you.
Open a new spreadsheet in Excel
In column A cell 1 put the word Price
In column A cell 2 put Qs
In column A cell 3 put Qd
In column B cell 1 put 10
In column B cell 2 put 200
In column B cell 3 put 540
In column C cell 1 put 20
In column C cell 2 put 300
In column C cell 3 put 480
Add more data as needed
Hover the mouse over the Insert tab in Chart group select Scatter and click the icon for Scatter with Straight lines.
A chart will then appear with the Supply and Demand diagram
It will automatically display the Price on the X-axis this will need to be changed. Put the Price on the Y-axis.
To change the axis right click on the chart and click Select Data from the menu
Make sure to highlight the first row, which is Qs
Delete the data in the box that pops up for Series X and Series Y values
Put the cursor in the Y value box and select the Price values
Put the cursor in X values and highlight Qs
Follow the steps to edit the data for Qd column this time
Click OK and a chart will appear