Point 1: Sacrificing ratio.
Old share – New share = Sacrifice. Used to compensate sacrificing partners with goodwill.
Point 2: Gaining ratio.
New share – Old share = Gain. Used to distribute goodwill brought in by new partner.
Final Answer:
\[
\boxed{\text{Sacrificing → Admission \quad Gaining → Retirement/Death}}
\]
% Quciktip