Convenience stores are  to pop into 24 hours a day. They also provide part-time jobs for  of people. A new  suggests that some stores are not so  for their part-time workers. Japan's national  NHK says workers are given unrealistic  quotas. Labor rights  say this exploits workers. Some workers get hundreds of dollars deducted from their  and have to buy  stock for not meeting their .
An expert on Japanese labor  said deducting salaries for  quotas was . He asked why so many part-timers felt they had to buy unsold . He suggested stores pressured workers to do . The expert asked convenience stores to make  part-timers were not exploited. One  said he was "drowning in quotas". Another said that he once lost 30% of his  salary. The biggest  are for quotas for unsold  items.