(a) Calculate the duration of 'Gross Loans, bills discounted and other receivables' of CBA for the2020 Financial year. (For each maturity period, use the minimum maturity. For instance,assume all loans

maturing between 1 and 5 years have a maturity of 1 year for this exercise). (8marks) (b) Repeat (a) for the 2019 Financial year. (5 marks) (c) Compare part (a) and part (b). Explain changes, if any, of duration between 2019 and 2020. (5marks) (d) Identify the industy lendings with the longest and the shortest duration. What are the inherent risk of such a pattern and how should this be managed? (7 marks)