商情预测计算题 某县有居民40000户,抽选1600户糖精抽样调查.结果平均每户需要4公斤样本标准差8,要求

董事 Director
文案Secretary/ clerk
商情部Marketing Department
事业发展部Business Development Department

①利润=销售价-进价(成本)
②成本(进价)=售价-利润
③利润率=利润÷成本(进价)
④利润=成本(进价)×利润率
⑤实际售价=标价×折扣率
这些是公式,只要公式记熟,考试就无忧了!

E-commerce is business activities of commodity exchange via electronic means. The basic idea of e-commerce includes e-business, electronic advertising, electronic shopping, electronic payments, electronic stores and electronic banking. A boarder concept covers various electronic applications and networking for services in conventional entities, for example, electronic administration and electronic education.
Modern e-commerce is mainly carried on Internet.Developed countries, represented by Unite States, are encouraging growth in e-commerce to replace or reshape conventional business.The major motivations are restructing service process, reducing trade cost, accelerating circulation speed, and increasing firms' market competitive strength and nation's power.
This thesis introduces development status of e-commerce for small and middle-cap business in Hangzhou. It is followed by discussions on the reasoning and purposes of developing e-commerce in those business; and a brief introduction to e-commerce in small and middle firms of other cities. Arguments on existing problems in developing e-commerce are given, and relative solutions from different aspects are proposed.