Which of the following is the likely outcome of managing operations efficiently and effectively?

I will go with option B.,,,,,,,

Among the options available (B) is more possibility to achieve efficiently and effectively. 

The likely outcome would be "B"

Option B is perhaps the best choice

  Products will become more similar.

I would hope B would be correct.

Correct answer Is option : B ......

I agree  with (B) The company will likely reach the efficiency frontier in their industry. 

  NOTE :-  Other answer is not suitable as per question.

B)    The company will likely reach the efficiency frontier in their industry.     

Except B: all the options are negative!