It is 10am and John, a sales representative for ABC company, is at home. He manages to login to the companys server, as his supervisor, after four guesses at the password. His supervisor is already logged in at the workplace. John emails the payroll officer, using his supervisors email, instructing him to increase John's sales commission by $1,000.

You are required to:

(a) Name two specific internal controls that would have helped prevent the problems. (1 mark each)

(b) Name two specific internal controls that would have acted as detective controls. (1 mark each)

(c) Name two specific internal controls that would have acted as corrective controls. (1 mark each)