Solve those problem with graph

1. Find NPV of the following project at 18% rate of discount and show that NPV 12.5 is a decreasing function of r. Year Cash flow (1000,000) 100,000 W N - O 200,000 350.000 600,000 300,000 2. What is IRR? Find IRR of the above-mentioned project and show whether the 15 project is acceptable or not provided the cost of capital is 15%