Which of the following expressions is used to show emphasis? 
A、in other words.
B、on the contrary.
C、a top priority.  
D、for example.

单项选择题The debt ratio is used: A、To measure the ratio of equity to expenses. B、To assess the risk associated with a company's use of liabilities. C、Only by banks when a business applies for a loan. D、To determine how much debt a firm should pay off. E、To determine how much debt a company should borrow.

单项选择题某企业投资方案A的年销售收入为200万元，年总成本为100万元，年折旧为10万元，无形资产年摊销额为10万元，所得税率为40%，则该项目经营现金净流量为（ ）。 A、80万元； B、92万元； C、60万元； D、50万元；