Turnaround time is the interval between the submission of a job and its completion. Response time is the interval between submission of a request, and the first response to that request.
Customer Satisfaction means, dealing with the customer in a proper or positive way. Every individual mindset is different so their cause and satisfactory leave also changed. So the main challenge of a worker of a call center is to make them understand that they are also concerned about their trouble.
A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.