When total revenue is at a maximum?

Question

a. average revenue is at a maximum.

b. marginal revenue is at a maximum.

c. average revenue is equal to zero.

d. none of the above is correct.

Ayoub Tartir , PMP, GWCPgM, CISA, CISSP, CAP, CSSLP, FITSP-D, CEH, CHFI, CCNA, CCNA Security, Security+, Network+ · Answer

My answer is also option (D)

Wasi Rahman Sheikh · Answer

Answer will be option ____________d

Emad Mohammed said abdalla · Answer

When total revenue is at a maximum The correct answer was: d. none of the above is correct.. none of the above is correct.

mohamed badawy · Answer

I CHOOSE D ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

Deleted user · Answer

D

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Thanks

khaled elkholy · Answer

d. none of the above is correct. 
Is right

Khaled Anwar · Answer

The answer is : Option ( D )

Mohammed Fathe Shaheem · Answer

D.............................................................

Bello Abubakar · Answer

D.............................................