At the beginning of 2009, a worker received $100 a week. During 2009, the Retail Price Index (RPI) increased by 4 % and his average wage increased by 7 %. In 2010, the RPI decreased by 3 % and his wage decreased by 2 %. What happened to his real wage from the start of 2009 to 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 %.