At the beginning of 2009, a worker was paid US$ 100 each week. Over 2009, the Retail Price Index (RPI) increased by 4% and his average pay increased by 7%. In 2010, the RPI decreased by 3% and his pay decreased by 2%. What happened to his real wage between the start of 2009 and the end of 2010?
- AIt fell by less than 5%.
- BIt fell by more than 5%.
- CIt rose by less than 5%.
- DIt rose by more than 5%.