Business Economics

1:

A firm's marginal revenue 

A.

is always negative

B.

can be positive

C.

is always positive

D.
is zero at point at which the total revenue is maximum
 

Answer : D

Explanation :

preeti said: (4:03am on Friday 8th July 2016)
can be positive....as when totar revenue is maximum marginal revenue is zero

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Option: A

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