definiens: shall mean the following : Net Sales for such combination product will beadjusted by multiplying actual Net Sales of such combination product by the fraction A/(A B ) where A is the weighted(by sales volume ) average invoice price of the Product, if sold separately, and B is the weighted ( by sales volume)average invoice price of any other active ingredient, device or component in the combination, if sold separately . If, ona country - by - country basis, the other active ingredient, device or component in the combination is not sold separately, Net Sales shall be calculated by multiplying actual Net Sales of such combination product in such country by thefraction A / C where A is the invoice price of the Product, if sold separately, in such country and C is the invoice priceof the combination product in such country . if, on a country - by - country basis, neither the Product, nor the other activeingredient, device or component of the combination product, is sold separately, Net Sales shall be [ * * * ]