A partnership firm earned net profits during the past three years as follows:

Capital investment in the firm throughout the above-mentioned period has been 4,00,000. Having regard to the risk involved, 15% is considered to be a fair return on the capital. The remuneration of the partners during this period is estimated to be 1,00,000 p.a.

Calculate value of goodwill on the basis of two years' purchase of average super profit earned during the above-mentioned three years.