A customer support call center for a cell phone service company has an average waiting time of 5 minutes. Due to some network issues, the call volume (i.e., the number of calls arriving at the call center per hour) is expected to increase by 50%. Keeping the staffing level and the average time spent in processing a call at the same level, this increase in call volume will have to the following impact on the average waiting time: Group of answer choices The average waiting time will increase by more than 50%. The average waiting time will increase by less than 50%. The average waiting time will not change. The average waiting time will increase by 50%