Context: The Sichuan government raised the minimum wage in the province by 12.5 percent at the end of December 2007. The monthly minimum wage went up from 400 to 450 yuan, with a minimum of 4.9 yuan per hour for part-time work, effective 26 December 2007. The government also reduced the four-tier minimum wage structure to three. The top tier mandates a minimum of 650 yuan per month, or 7.1 yuan per hour. National law allows each province to set minimum wages independently, but with a floor of 450 yuan per month.

Question: By how much did Sichuan increase minimum wage in December 2007?
Answer: 12.5 percent

Question: What was the new monthly minimum wage in Sichuan by January 2008?
Answer: 450 yuan

Question: What was the minimum hourly wage in Sichuan on December 28, 2007?
Answer: 4.9 yuan

Question: What is the national minimum monthly wage in China?
Answer: 450 yuan per month

Question: Who raised the minimum wage by 1.25%
Answer: Unanswerable

Question: Where is the maximum wage 4.9 yuan per hour?
Answer: Unanswerable

Question: who icreased the three tier minimum wage structure to four?
Answer: Unanswerable

Question: What law sets the minimum wage across China?
Answer: Unanswerable

Question: By how much did the top tier increase minimum wage in December 2007?
Answer: Unanswerable

Question: What was the new monthy minimum wage in the top tier by January 2008?
Answer: Unanswerable

Question: What was the minimum hourly wage in the top tier on December 28, 2007?
Answer: Unanswerable

Question: What was the national minimum monthly wage in the top tier?
Answer: Unanswerable

Question: What did the top tier reduce the four-tier minimum wage structure to?
Answer: Unanswerable