An analysis of the XO Candy Corporation divided its products into two categories: chocolate-based candies and non-chocolate-based candies  The analysis shows that, unlike the non-chocolate candies, few chocolate candies sold enough units to be profitable
Nevertheless, stopping production of the unprofitable chocolate candies will not necessarily make the entire company more profitable, because
a large proportion of XO's customers are those who initially bought XO's chocolate candies and eventually went on to buy other candies made by XO.