ACCOUNTING SYSTEMS AND CONTROLS ,, I need the answers as soon as possible

Timelhor, 51 14 Questo completion State 7 9 15 Question to points NBB uses the time-based model to evaluate the security level of its Accounting Information System (AIS). The current security system components as following Preventive control (P) = 12 Seconds Detective control (D) - 5 Seconds Corrective control (C)= 8 Seconds NBB management believes that the security level of the AIS is low, and it must be increased, which require to spend S10,000. The improvement of the AIS security has 4 alternatives as following: Alternative I would increase P by 5 Seconds. Alterative 2 would decrease C by 4 Seconds Alternative 3 would increase P by 3 Seconds and reduce C by 4 Seconds. Alterative 4, would increase P by 4 Seconds and reduce D by 2 Seconds. Answer the following questions: 1 Does the AIS of BBK currently secure? And why? 2. Show the Time-based model for Alternative 1 3 Show the Time-based model for Alternative 2 4 Show the Time-based model for Alternative 3 5 Show the Time-based model for Alternative 4 6 Since each alternative has the same cost, which do you think would be the most cost-effective choice? And why? For the toolbar press ALT-F10 PO O ALTERN+F10 Mac)