Profitability Index Method – Decision Making
What if you have ₹100 Cr (limited budget) and 5 good projects? You need to rank them. Profitability Index (PI) is the ranking tool.
1. Formula
PI = PV of Cash Inflows / Initial Cash Outflow
- Rule:
- If PI > 1 -> Accept. (Means you get back more than 1 Rupee for every 1 Rupee invested).
- If PI < 1 -> Reject.
- If PI = 1 -> Indifferent (NPV is 0).
2. Example
- Investment: ₹ 100.
- PV of Inflows: ₹ 120.
- NPV: +20.
- PI: 120 / 100 = 1.2.
3. Usage in Capital Rationing
When funds are limited, we choose projects with the Highest PI, not necessarily the Highest NPV.
- Logic: PI measures "Efficiency" – bang for the buck.
4. Exam Notes: Writing the Answer
Question: "What is Profitability Index? When is it used?" (5 Marks)
Answering Strategy:
- Formula: PV Inflow / PV Outflow.
- Alt Name: "Benefit-Cost Ratio".
- Application: "Used in Capital Rationing (Scarcity of funds) to rank projects."
Summary
- Relation:
PI = 1 + (NPV / Investment). - Efficiency: It tells you the return per unit of investment.
Quiz Time! 🎯
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