请教两道题

kanstory

OG上的第148


A discount retailer of basic household necessities employs thousands of people and pays most of them at the minimum wage rate. Yet following a federally mandated increase of the minimum wage rate that increased the retailer'soperating costs considerably, the retailer's profits increased markedly.


Which of the following, if ture, most helps to resolve the apparent paradox?


A. Over half of the retailer's operating costs consist of payroll expenditures; yet only a small percentage of those expenditures go to pay management salaries


B. The retailer's customer base is made up primarily of people who earn,or who depend on the earnings of others who earn, the minimum wage.


C. The retailer's operating costs, other than wages, increased substantially after the increase in the minimum wage rate went into effect.


D.When the increase in the minimum wage rate went into effect, the retailer also raised the age rate     for employees who had been earning just above minimum wage.


E. The majority of the retailer's employees work as cashiers, and most cashiers are paid the minimum wage.


这道题小M看了半天，不明白为什么选B呀。还请各位大侠指点一二。


149题


有一句话不明白下面这句话怎么翻译


The government tried to boost cotton prices by offering farmers who took 25 percent of their cotton acreage out of production direct support payments up to a specified maximum per farm.