Explanation: In the context of project finance, the Internal Rate of Return (IRR) and the Weighted Average Cost of Capital (WACC) are crucial metrics used to evaluate the financial viability of a project. The IRR is the discount rate that makes the net present value (NPV) of all cash flows from a project equal to zero. It represents the expected return on investment. The WACC, on the other hand, is the average rate a company expects to pay to all its investors, including equity and debt holders. It represents the cost of capital.
When evaluating a project, if the IRR is greater than the WACC, the project is considered financially viable because it generates returns that exceed the cost of capital. However, if the IRR is less than the WACC, the project is not expected to generate sufficient returns to cover the cost of capital, making it financially unviable.
In such a scenario, external funding, such as a grant, is required to make the project financially feasible. Grants are typically used to cover a portion of the Capital Expenditure (CAPEX), which includes the initial investment costs such as equipment, infrastructure, and other fixed assets. By reducing the initial investment cost, the grant improves the project's financial metrics, potentially increasing the IRR to a level that is acceptable relative to the WACC.
Operating Expenditure (OPEX) refers to the ongoing costs of running the project, such as salaries, utilities, and maintenance. While grants can sometimes contribute to OPEX, they are more commonly used to cover CAPEX to improve the project's financial metrics.
In summary, the correct answer is that a grant is required when the IRR is less than the WACC, and the grant typically contributes to the CAPEX to make the project financially viable. This ensures that the project can generate returns that are at least equal to the cost of capital, making it a worthwhile investment.