profit margin percent So now that it is the end of the year, it is a good time to reflect on what we have done to achieve these goals. Block chain can create a world in which all requirements were met, everyone can express their own points of view, we can take meaningful global cooperation, can benefit through different experience. If W on behalf of commodity value, k represents the cost, with p represents the profit, so, as the money into profit, the capitalist conditions of commodity value, namely, W = c + v + m = k + m, on further into W = k + p, i.e. goods value + profit into the cost price. Are you thinking of starting your personal business, but worried about the charge? A smart move that may save entrepreneurs money using the latest technology is working virtually-from the comfort of your home. When you think of starting your own personal home based business, first thing visit your mind will be save your time and cash while spending lots of free time with the family along with the flexibility of creating your individual schedule. The investment in securities is conducive to improving the operation and management of enterprises, improving the economic and social visibility of enterprises and promoting the rationalization of enterprises' behaviors.