Sum after 12 years of age = Rs. 1,00,000
Rate of interest = 6% and time period = 6 years
⇒ Amount after 18 years =
P+=
1,00,000+= 1, 00, 000 + 36, 000 = Rs. 1, 36, 000
Total expenses per year = 2500 + 500 = Rs. 3, 000
⇒ Total expenses for 6 years = 6 × 3000 = Rs. 18, 000
∴ Amount attained = 1, 36, 000 − 18, 000 = Rs. 1, 18, 000