12. Say you invest 100,000 today. You will get 30,000 in year 1,30,000 in year 2 and 40,000 in year 3. Is the project profitable when r = 15%? Show using Net Present Value Calculation (NPV). Important to show your WORK. Your answer 13. Revenue = 2,000, Variable cost = 200, Fixed cost = 900. Find degree of operating leverage (DOL). Show your work. Your