In terms of the purchase of intermediate products in the market, because a lot of manufacturers are generally buy goods from a handful of suppliers, it is beneficial to this a few suppliers to achieve economies of scale and reduce the cost of production. Moreover, market competition pressure between intermediate product suppliers forces suppliers to reduce production costs. In addition, when a few suppliers in the face of many intermediate products of demanders, these a few suppliers can be avoided due to the limited market demand caused by unstable, the loss that may lead to maintain a stable overall sales. Although a lot of people have taunted on her behalf tall and skinny stature, but Ana Ward's figure is surely an advantage inside modeling world. In fact, the impossibly thin and freaky-looking girl has entered the Cycle 15 of America's Next Top Model. After defeating 22-year-old Chelsea Hersley for being the newest "Top Model", Ann said, “I\'m so honored at this time. All those surveys are about being too tall or just being not normal”. With the development of productivity and social progress, the enterprise form has been continuously developed and improved. The evolution of an enterprise mainly goes through three stages 3. The role of securities investment The correlation between optimal spending budget and effective activity-based costing is very important to sound business strategic options designed to maximize the wealth producing capacity from the enterprise. In these series on effective cost assignment and optimal cash strategy, we're going to focus on the pertinent strategic cost questions and proffer some operational guidance.