The sales maximization model assumes that imperfectly competitive firms will produce a level of output where :

1. The correct answer was: c. marginal revenue is equal to zero if profit is satisfactory.. 

I Will Go With " C " Option

C

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Thanks

My answer is also option (C)

The answer is : Option ( C ) 

marginal revenue is equal to zero if profit is satisfactory. ................

1. The correct answer was: c. marginal revenue is equal to zero if profit is satisfactory.. >>>>>>>>>>>>>>>>>>>>

option C, is the correct one

c. marginal revenue is equal to zero if profit is satisfactory.. ...............................................................................................................

Option C is the right option.........