Step 1: Understanding the sacrifice ratio.
The sacrifice ratio indicates the proportion of profit sacrificed by the existing partners in favor of the new partner. It is calculated as:
\[
\text{Sacrifice Ratio} = \text{Old Ratio} - \text{New Ratio}
\]
Step 2: Identifying the correct formula.
From the options provided, the correct definition matches \( \text{Old Ratio - New Ratio} \), which is option (B). Other options do not represent the correct formula for the sacrifice ratio.
Match List - I with List - II. 
Choose the correct answer from the options given below: