This video explains everything regarding supply chain management making it easy for you to start considering the positive points and the negative points before you start a business or company. I like the way the guy describes everything in detail making you understand everything in particular. There are a lot of things which normally we don’t put much consideration into. But in order to be aware of your exact profit of course you have to calculate each and every expense. Otherwise even though you may feel you are earning, you could be easily wrong if you haven’t calculated the minor expenses.