On 1^st April, 2014, a firm had assets of Rs. 1,00,000 excluding stock of Rs. 20,000.  Partners’ Capital Accounts showed a balance of Rs. 60,000.  The current liabilities were Rs. 10,000 and the balance constituted the reserve.  If the normal rate of return is 8%, the Goodwill of the firm is valued at Rs. 60,000 at four years of purchase of super profit, find average profit of the firm.