F 2) National Bank of Oman wants to establish an internal check system. a) How do you design an internal check system for National Bank of Oman? b) Provide some suggestions for the effective functioning of the internal check system. 3) You are provided with the financial statements of Muscat Trading company and Oman Charitable Trust. How do you differentiate the audit procedures on the audit of Muscat Trading Mompany and Oman Charitable Trust