In Part I of this three-part series, I defined some terms used in this article (click here). By the end of this article, you’ll know how to tell if the products or services you’re selling are profitable or if you’re losing money on them. You can then take action on the troublemakers to increase your bottom line. If you’re an owner or manager, this kind of analysis is critical to your success. If you suffer from arithmophobia (a real word meaning fear of numbers or arithmetic)