MKT610 GDB solution required plz....!!!!

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Suppose that you are the head of customer call center department of a cellular company, you are having 100 customer care officers, it is well said to them that all customer calls must end with in 120 seconds to avoid long wait by the waiting customers to contact, but on average, call are being prolonged up to 180 seconds, as a customer care manager, your plan not going to be succeeded, what do you think, if you forcefully impose this condition on your staff(to end up customer queries in max. 120 seconds) your customer care service will suffer?”
Give your answer in “yes” or “no”
If yes give only one solution in max 100 words that seems best to you
If no, justify in max 100 words