Asset	Commonwealth Bank		ANZ Bank		NAB Bank		Average
	Amount (m)	%	Amount (m)	%	Amount (m)	%	Amount (m)	%
Cash	42,814	4.47%	68,048	7.58%	42,152	5.18%	51,004.67	5.73%
Interbank loans	8,678	0.91%	5,504	0.61%	35,030	4.30%	16,404.00	1.84%
Trade securities	31,127	3.25%	43,605	4.86%	45,637	5.60%	40,123.00	4.51%
Investment securities	79,019	8.24%	69,384	7.73%	42,029	5.16%	63,477.33	7.13%
Loans	647,503	67.53%	574,331	64.00%	468,277	57.49%	563,370.33	63.28%
Other assets	148,711	15.61%	136,454	15.21%	181,391	22.27%	155,852.00	17.51%
Total assets	958,852	100%	897,326	100%	814,516	100%	890,231.33	100%

Provide a word discussion and explanation of the following assets in the balance sheet of a bank:

1. Cash

a) The purpose and importance of the type of asset;

b) The monetary size of the asset compared to the total assets of banks and reasons for the average size of the type of asset;

c) The risks that the bank run due to holding the type of asset;

d) Methods/instruments that banks use to hedge the risks pertaining to this type of asset;

e) The income generated from the type of asset compared to the income generated from other type of assets;