Q. Which of the following depicts "joint demand" (Solved)
1. Aeroplanes and trains
2. Magazines and newspapers
3. Ball pen and refill
4. Lipstick and nail polish
5. All of the above
- c. Ball pen and refill
1. Aeroplanes and trains
2. Magazines and newspapers
3. Ball pen and refill
4. Lipstick and nail polish
5. All of the above