利润的多种形式及相互关系
(1)边际贡献M(Contribution Margin)=销售收入-变动成本
(2)息税前利润EBIT(Earnings before interest and taxes)=M-F=销售收入-变动成本-固定生产经营成本
(3)税前利润EBT (Earnings before taxes)=EBIT-I
(4)净利润(Net Income)=(EBIT-I)×(1-T)
(5)每股收益( Earnings Per share)EPS=(净利润-优先股利)/普通股股数