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# Definition of The profitability index

### The profitability index can be defined as follows:

The Profitability Index (PI) measures the ratio between the present value of cash flows and the original investment. It is a relationship between the costs and benefits of a project.

The Profitability index is a valuable tool for ranking stock projects and showing the value shaped per unit of the venture. The Profitability Index is also referred to as the Profit Investment Ratio (PIR) or the Value Investment Ratio (VIR).

### The following formula calculates the profitability index:

The profitability index customs the present value of future cash flows and the initial investment to represent the variables mentioned above. A profitability index is rationally the lowest adequate measure on the directory, as any value lower than that amount would designate that the project’s present value (PV) is less than the original investment. As the importance of the profitability index increases, so does the financial attraction of the proposed project.

## Understanding the Profitability Index

The profitability index is an evaluation technique applied to future capital expenditures. The method splits the projected capital inflow by the projected capital outflow to regulate the effectiveness of a project. When consuming the profitability index to compare the interest of projects, it’s vital to reflect on how the technique indifferences project size. Therefore, projects with more substantial cash inflows may lower productivity and profitability index calculations because their profit is not as high.

## Components of the Profitability Index

1. Future Cash Flows :
The present value of future cash flows involves the application of the time value of money. Cash flows reduced to bring all future cash flows in the current value terms.
1. Investment Required :
The discounted projected cash outflows signify the initial capital expenditure of a project. The initial capital required is only the cash flow needed for the start of the project. All other cash flows happen over the project’s life, and these are factored into the control through the use of discounting factor.

## Calculating and Interpreting the Profitability Index

Profitability index estimates greater than 1.0 indicate the future anticipated discounted cash inflows of the project are more significant than the expected discounted cash outflows. Profitability index less than 1.0 specify the cash inflows lower than cash outflows.

When evaluating the various exclusive projects, the profitability index ranked for all the projects, and projects having higher numbers should be chosen for investment.

## Application of Profitability index

The profitability index is principally used as a tool for project selection. The high value of the profitability index means a project is more attractive as compared to the low profitability index.

• For a single project, the profitability index value of 1 or higher is acceptable. If a project has a profitability index (> 1), a company should undertake the project. However, if a project has a profitability index (< 1), a company should reject the plan.
• The profitability index is a comparative measure of an investment’s value, while NPV is a more detailed and logical method.
• The profitability index method can be a valuable analysis to complement the NPV method when choosing a project. It may be beneficial to look at cash flow per dollar of investment using the profitability index when IRR is the same or similar.
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