问题
单项选择题
甲商品销售某种商品,该商品的进价每件90 元,若每件定位100元,则一天内能售出500件,在此基础上,定价每增1元,一天能使少售出10 件,甲商店获得最大利润,则该商品的定价应为
A.115 元
B.120元
C.125元
D.130元
E.135元
答案
参考答案:B
甲商品销售某种商品,该商品的进价每件90 元,若每件定位100元,则一天内能售出500件,在此基础上,定价每增1元,一天能使少售出10 件,甲商店获得最大利润,则该商品的定价应为
A.115 元
B.120元
C.125元
D.130元
E.135元
参考答案:B
Passage Two
Why are the prices of mobile telephone services lower in China’s eastern coastal region
A.The average disposable income is lower in the region.
B.The GDP is higher in the region.
C.The costs of operators are lower due to a greater number of users of mobile phone services in the region.
D.The operators compete with each other in order to win over subscribers.