Question: Total revenue realised from sale of 10 fans is Rs 2,000 and that from sale of 14 fans is Rs 4,000, Calculate marginal revenue.
Solution:

Answer is Rs. 500.
Question: Total revenue realised from sale of 10 fans is Rs 2,000 and that from sale of 14 fans is Rs 4,000, Calculate marginal revenue.
Solution:
Answer is Rs. 500.