A computer repair shop had received a number of complaints on the length of time it took to makerepairs. The manager responded by increasing the repair staff by 10 percent. Complaints on repair timequickly decreased, but then complaintson the cost of repairs suddenly increased. Oddly enough, when repaircosts were analyzed, the manager found that theaverage cost of repair had actually decreased relative to whatit was before the increase in staff. What are some possible explanations for the complaints and what actionsmight the manager contemplate.