one page for those two questions.

1. I don't understand what the auditor means by types of controls. What are preventative, detective, and corrective controls? How do I tell the difference? 2. What controls would you recommend to solve this problem? The auditor says at least three, but I'd like between 3-5 controls suggestions, pls. As you make your suggestions you should explain (a) what type of control it is and (b) how this control would resolve the problem the auditor found