Answer:
Equity
Step-by-step explanation:
Equity in a financial budget would refer to those financial policies relating to taxation of incomes and investments, spendings , etc which are formulated after taking into account the interests of all the sections of the society.
If a budget is favorable to the rich or to the poor, the budget is biased and unbalanced and thus lacks the essential criteria of equity which is justness and fairness to all.
In the given case, a certain section of the masses felt unfair amount of financial burden. Hence, as per the section, the budget is unfair or unequal i.e it burdens one section more than others.