An interest rate( is it variable-relevant or fixed irrelevant for year 1,2,3,4?) of 11.5%, from a 4 years loan to buy a machine( will last 5 years) on the last day of the company'previous financial year , should it be allocated in a Project Financial Data for evaluate if the company should invest or not in the project. (Investment appraisal, cost of capital and risk). Thanks.

To determine whether the interest rate is variable or fixed, we need more information. If the interest rate is stated as a specific rate, such as 11.5% for all four years, then it can be considered fixed.

However, if the interest rate is subject to change during the loan term, based on market conditions or other factors, then it would be considered variable. In this case, you would need to know the specific terms of the loan agreement to determine if the interest rate is variable or fixed.

Now, regarding whether the interest rate should be allocated in the Project Financial Data for evaluating the investment, let's consider a few things:

1. Investment appraisal: When evaluating an investment project, it's important to consider the cost of capital. This refers to the cost of obtaining funds for the project. In this case, the interest rate of 11.5% would represent the cost of capital for financing the machine purchase. Therefore, it should definitely be included in the Project Financial Data.

2. Risk: The interest rate can also reflect the risk associated with the investment project. Generally, higher interest rates indicate higher perceived risk. If the interest rate of 11.5% is considered high for similar investments, it suggests there may be higher risk associated with this project. This should also be considered in the investment appraisal.

3. Cost of capital: The interest rate of 11.5% can be considered as the cost of capital for the project. It represents the cost of borrowing money for the investment. The company should compare this cost of capital to the potential return on investment (ROI) of the project to determine its feasibility.

In summary, the interest rate should be included in the Project Financial Data for evaluating the investment. It represents the cost of capital, reflects the risk associated with the project, and allows for comparing the cost of borrowing with the potential return on investment.