Answer:
Effectiveness, inaccuracies
Explanation:
In any process when monitoring and overseeing is since that process becomes more effective.
For example, if a security personnel in charge of the CCTV camera system falls asleep or is distracted, he wouldn't be able to monitor the customers inside a shopping mall, thus we know what this may result in - theft. However, he would be more effective if he monitors the activities in the shopping mall.
