Hi,
As Per the understanding you need to show the profitability of the products with in the same plant.
Develop the report by including the characteristics Plant and Product.
After executing the report you will get the profitability as whole.
To get the profitability of products with in the same plant, 1st you need to select the characteristic - "Plant" so that you will get plant wise profitability there by select the characteristic - "Product" in addition to plant, now you will get the product wise profitability with in the same plant.
Regards,
Pavan Kumar Arvapally