(3)If any surplus assets remain after the payment of interest in accordance with subsection (2), interest shall be paid on all admitted claims referred to in subsection (1), from the commencement of the winding up to the date on which the claim is paid, at the difference between the rate referred to in paragraph (a) or paragraph (b) of that subsection, as the case may be, and the prescribed rate. If the amount of the surplus assets is insufficient to pay interest in full on all claims, payment shall abate rateably among all claims.