I would like to be able to plot a chart for an individual market segment, showing sales of a specific customer (or selected customers grouped together), and then the total sales for the market segment. This would be for a timeline of approximately 24 months along the x axis. Due to the scale of the 2 sales, it might be best to have 2 y axes.
As there are a number of market segments, these will be represented on separate charts.
Any suggestions would be greatly appreciated!
