creating a line graph

How can I create a line graph with the data below given with the different quarters (quarter 1, quarter 2, quarter 3, quarter 4) on the x-axis and one line for Revenue, one line for COGS, one line for EBITA? I have attached excel file.total.xls

Please help.

want to creating a line graph, see below code, this code is not the line chart according to your file.you can know the method from it.

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Then you can create chart data:

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then, eidt chart data region,position and data:

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if you are still not very clear, you can visit this technical article:excel line chart c#

Hope it help you!