It is also need to know about the Internal Rate of Return or IRR, students need to draw the graph in Excel to show how to get the IRR value and to explain the important of this value. For this graph, please show: The Internal Rate of Return (IRR), the percentage of WACC (Discount Rate), causing NPV to be ZERO

Table 1. The relationship between the percentage change and NPV of Raw Material 1 Raw Material 2, Utilities 1 (Electricity), Utilities 2 (Water), and Fuel Percent NPV-WATER ChangeNPV-RM1 () NPV-RM2 ($)NPV-ELEC (S) NPV-FUEL ($) 624,550,834 ,625,596,328623,172,414 624,178,974 631,202,345 -10 623,442,248 623,964,996622,753,038 623,256,319 626,768,004 -5 622,333,663 622,333,663622,333,663 622,333,663 622,333,663 0* 621,225,078 ,078620,702,331621,914,288 621,411,008 617,899,322 619,070,998621,494,912 620,116,493 620,488,352 613,464,981 +10 Table 1. The relationship between the percentage change and NPV of Raw Material 1 Raw Material 2, Utilities 1 (Electricity), Utilities 2 (Water), and Fuel Percent NPV-WATER ChangeNPV-RM1 () NPV-RM2 ($)NPV-ELEC (S) NPV-FUEL ($) 624,550,834 ,625,596,328623,172,414 624,178,974 631,202,345 -10 623,442,248 623,964,996622,753,038 623,256,319 626,768,004 -5 622,333,663 622,333,663622,333,663 622,333,663 622,333,663 0* 621,225,078 ,078620,702,331621,914,288 621,411,008 617,899,322 619,070,998621,494,912 620,116,493 620,488,352 613,464,981 +10