need solutions for these questions

Q1. Describe the competitive scenario facing Saint-Gobain in Pakistan. Q2. Using the NPV method with the following assumptions, do you think Usman should invest in the new plant? A discount rate of 15 %; market share: 20, 25 and 30 percent of the current supply-demand gap; tax rate: 35%; tax depreciation allowance on the cost of plant and machinery: 15% yearly with additional 25% 1"-year allowance; Project Period: 20 years Q3. What other factors do you think should be considered before making a final decision