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The Total Fixed Cost of producing a good is Rs. 20. The Total Cost of producing 3 units of a good is Rs. 44 while that of producing 4 units is Rs. 49. What would be the Marginal Cost of producing the 4th unit of the good?

Solution

✅ Correct Option: 1

Marginal cost is the addition to total cost from producing one more unit.

MC4=TC4−TC3=49−44=Rs. 5MC_4 = TC_4 - TC_3 = 49 - 44 = Rs.\ 5. The total fixed cost of Rs. 20 is irrelevant here since fixed cost does not change with output.

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