Annu, Bandhu, Sheelu and Golu were partners in a firm sharing profits and losses in the ratio of 4 : 3 : 2 : 1. On 1st April, 2025, they decided to share the future profits equally. For this purpose the goodwill of the firm was valued at ₹ 4,00,000. Calculate gain or sacrifice of the partners on change in profit sharing ratio and pass a single adjustment journal entry for the treatment of goodwill.