1. Why are variable costs curvilinear with respect to Sales Your answer 2. Say you invest 60.000 today. You will get 20.000 in year 1,30,000 in year 2 and 20,000 in year 3. Is the project profitable? Show by calculating the Net Present Value Calculation (NPV). Use an interest rate of 15%. Your answer 2a. 2. Say you invest 60,000 today. You will get 20,000 in year 1.7.000 in year 2 and 3,000 in year 3. Should you invest? Your time frame is to recover within 5 years. Show by using Payback Method. Use an interest rate of 15%. Your answer 3. What is the most important reason for Budgeting Your answer 3a. What is Step Variable cost and where would you see it Your answer 3b. What is the reason for two formats of the Income Statement Your