Sensitivity analysis procedure include number of stages they are:

• Selecting the key performance indicators of investment, which can act as internal rate of return, ie, IRR, or the index of net present value, ie,( NPV).
• Selecting the factors that management can not be certain. Like capital expenditures and investments in working capital, as well as market factors, components of cost of goods, the timing of construction and commissioning of plant and equipment,
• Setting the lower and upper limits of these given factors.
• Calculation of key indicators for each of the selected limit factors,
• Scheduling sensitivity for each uncertain factors, by which it can be concluded the most critical aspects of the project. This is to ensure possibility of adjusting them.