Calculation of Average profits
| Profit for 2010 (Rs.50,000 – Rs.10,000) | 40,000 |
| Profit for 2011 (Rs.55,000 – Rs.5,000) | 50,000 |
| Profit for 2012 (Rs.45,000 + Rs.5,000) | 50,000 |
| Profit for 2013 (Rs.66,000 – Rs.6,000) | 60,000 |
| Total profits for four years | 2,00,000 |
Average profit =(2,00,000/4) = 50,000
Goodwill at 3 Years’ purchase of Average profits = 50,000 x 3 = Rs.1,50,000