I still think E is better than C...
the 'that' in E makes it clear that now incomes
are significantly more as compared to what it was two decades earlier.
C seems to be the case of oranges (income) being worngly comapared with apples (decades).
Would like to know your view on this.
"Start By Doing What Is Necessary ,Then What Is Possible & Suddenly You Will Realise That You Are Doing The Impossible"