皮皮学，免费搜题
登录
搜题
【单选题】
在计算机网络ISO/OSI开放系统互联七层参考模型中,以下哪一层向用户提供可靠的端到端服务,透明地传送报文A.
网络层
B.
应用层
C.
表示层
D.
传输层
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Which of the following is true about producer surplus?
A.
Producer surplus is how much more it costs sellers than they are paid.
B.
Producer surplus is shown graphically as the area under the demand curve but above the supply curve.
C.
An increase in the market price due to an increase in demand will increase producer surplus.
D.
All of the above are true about producer surplus.
【单选题】Total surplus with a tax is equal to
A.
consumer surplus plus producer surplus.
B.
consumer surplus minus producer surplus.
C.
consumer surplus plus producer surplus minus tax revenue.
D.
consumer surplus plus producer surplus plus tax revenue.
【单选题】If the price rises from P1 to P2, consumer surplus decreases by the area:
A.
ABP2.
B.
AFP1.
C.
BGF.
D.
P1P2BF.
相关题目：