普通黏土砖多为开口孔,若增大其孔隙率,则会使砖的密度(),吸水率(),抗冻性(),强度(),保温性能()。
参考答案:不变;增大;变差;降低;提高
The company has a target capital structure of 40 percent debt and 60 percent equity. Bonds pay 10 percent coupon (semi-annual payout ), mature in 20 years, and sell for $849.54. The company stock beta is 1.2. Risk-free rate is 10 percent, and market risk premium is 5 percent. The company is a constant growth firm that just paid a dividend of $2.00, sells for $27.00 per share, and has a growth rate of 8 percent. The company’s marginal tax rate is 40 percent. The after-tax cost of debt is:()
A. 8.0%.
B. 9.1%.
C. 7.2%.
企业应当制定严密的内部报告流程,充分利用信息技术,强化内部报告信息集成和共享,构建科学的()。
A、内部信息传递方式
B、内部报告网络体系
C、内部信息网络体系
D、内部报告传递体系