Year 1: Initial Savings
Both save ₹ 15,000 per month = ₹ 1,80,000 per year.
Over 15 Years: Expense Growth
Rajesh's expenses rise modestly at 4% per year:
After 15 years = ₹ 63,000/month
Kiran's expenses rise faster at 12% per year:
After 15 years = ₹ 1,92,000/month
Both incomes rose 10% per year:
After 15 years = ₹ 2,09,000/month
Savings Trend After 15 Years
Rajesh's final saving = ₹ 2,09,000 − ₹ 63,000 = ₹ 1,46,000/month
Kiran's final saving = ₹ 2,09,000 − ₹ 1,92,000 = ₹ 17,000/month
Cumulative Investment Value
Both invested their monthly savings at 10% annual return.
Average Monthly Savings
Rajesh: (15,000 + 1,46,000)/2 = ₹ 80,500/month (approx.)
Kiran: (15,000 + 17,000)/2 = ₹ 16,000/month (approx.)
Rajesh's Investment Value
₹ 3.39 Crore
FV = 80,500 × 420.6 = ₹ 3,38,58,300
Kiran's Investment Value
₹ 67.3 Lakh
FV = 16,000 × 420.6 = ₹ 67,29,600
Wealth Difference
₹ 2.71 Crore
Rajesh is richer by ₹ 2.71 crore purely due to disciplined savings!