a) Humans are often regarded as the weakest link in a control system. Why is this the case? (2 marks) b) Summarise an example from your own experience (either work, or observation) when you have seen (or been the cause of) human failure in a control system (other than data entry). What control(s) could have been introduced to minimize that failure and how would they work, and how would that failure have impacted the organisation's information quality goals. (4 marks)