A.1. When does a linear programming problem have more than one optimal solution? (5 marks)
A.2. What is the main difference between a Transhipment problem and Transportation problem? (5 marks)
A.3. When do we need to use a dummy/binary variable in a regression model? (5 marks)
A.4. What are the three types of decision-making environment? (5 marks)
A.5. What is ABC analysis? Explain the purpose of ABC analysis. How can ABC analysis be helpful for managing a business? (5 marks)