Identify from the following scenarios when the valuation of goodwill is required:A. Change in profit-sharing ratio among existing partnersB. Admission of a new partnerC. Dissolution of a Partnership firm (sale of business as a going concern)D. Amalgamation of partnership firmsE. Regular yearly preparation of a Balance SheetChoose the correct answer from the options given below:

Valuation of goodwill becomes necessary whenever there is a reconstitution of the firm or structural conversion:A. Change in PSR $\to$ Required.B. Admission of a partner $\to$ Required.D. Amalgamation of firms $\to$ Required to value respective business weights.Note on standard options: General accounting practices for competitive exams emphasize reconstitution triggers (A, B, D). Hence, alternative options rule out routine preparations (E). Thus, A, B, D only forms the primary matching selection.