Capital Employed = Rs. 2,00,000
Actual Profit = Rs. 48,000
Normal Rate of Return 15%
Normal profit = Capital Employed x Normal Rate of Return/100
Super profit = Actual profit – Normal profit
= 48,000 – 30,000 = Rs. 18,000
Goodwill = Super Profit × Number of Years Purchase
= 18,000 × 3 = Rs.54,000.