Gross income500,000Savings in 80C100,000Pre-tax disposable income400,000New tax liability32,960Net income a year367,040Income per month30,500 EMI on Rs 12 lakh loan12,500Disposable income forhousehold expenditure18,000Impact of 5% higher inflation900Tax benefit (per month)3,500Additional outgo on EMI plusHousehold expenditure (per month):1,400Net benefit (per month)2,100 However, for people lower down the income ladder, the benefit-cost matrix works out quite differently