Linear Programs in Cost Accounting： A Linear Cost Model

This paper aims to find unit cost of a product for firms. It establishes a linear cost model to find unit cost. Linear goal programs assume a direct relationship between independent variable and dependent variable. Dependent variable of linear model is unit cost. Independent variables are cost accounting variables. They are supply cost, labor cost, and administration cost. This study assumes a direct relationship between supply-labor-administration costs and unit cost. Therefore, it establishes a linear cost model. The major research question of this study is to apply linear goal programming to cost accounting. The goal of this linear program is to find unit cost of product. This study uses quantitative method and human capital method. The main research result is linear costing model itself.     

手机银行客户端键盘记录安全风险的研究及防范

正手机银行面临的安全风险情况随着智能手机的快速普及,金融业务在手机终端的服务获得了快速增长。目前,国内已有超过50多家银行推出手机银行客户端,手机银行的交易额迅猛增长,如建设银行2012年第一季度手机银行交易额2574亿元,同比增速为68%。但随之而来的客户信息失窃和资金损失却成为手机银行发展的一大安全威胁。近日,一款新型隐私窃取类病毒——"键盘黑手"