如果甲企业经营杠杆系数为1.5，总杠杆系数为3，则下列说法不正确的是( )。

A．如果销售量增加12%，息税前利润将增加18%
B．如果息税前利润增加20%，每股收益将增加40%
C．如果销售量增加10%，每股收益将增加30%
D．如果每股收益增加30%，销售量需要增加5%

定义一个用于封禁ICMP协议而只允许转发166.129.130.0/24子网的ICMP数据包的访问控制列表，Cisco路由器的正确配置是（）

A.access-list 198 permit icmp 166.129.130.0 255.255.255.0 any

　access-list 198 deny icmp any any

　access-list 198 permit ip any any

B.access-list 198 permit icmp 166.129.130.0 0.0.0.255 any

　access-list 198 deny icmp any any

　access-list 198 permit ip any any

C. access-list 99 permit icmp 166.129.130:0 0.0.0.255 any

　access-list 99 deny icnip any any

　access-list 99 permit ip any any

D. access-list 100 permit icmp 166.129.130.0 0.0.0.255 any

　access-list 100 permit ip any any

　access-list 100 deny icmp any any