Question 19
HardOriginal questionA firm's AR is ₹15 at 4 units and ₹14 at 5 units. What is the MR of the 5th unit?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
TR₄ = 15 × 4 = ₹60; TR₅ = 14 × 5 = ₹70.
MR₅ = 70 − 60 = ₹10.
Worth noting
Subtracting the ARs gives −1; marginal revenue needs the totals.
- Concept
- MR from two ARs
- Typical timeTypical
- 100 s
- Your timeYours
- —
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