Answer:
1986: 281.82
1996: 263.06
2006: 280.69
Explanation:
RWAE = Real weekly average earning = (Earning / CPI) * 100
Year 1986 :
Earning = 310
CPI = 110
RWAE = (310 / 110) * 100 = 281.82
Year 1996 :
Earning = 413
CPI = 157
RWAE = (413 / 157) * 100 = 263.06
Year 2006:
Earning = 567
CPI = 202
RWAE = (567 / 202) * 100 = 280.69
Hope this helps!