The ATO has published the General interest charge (GIC) and the Shortfall interest charge (SIC) rates for the second quarter of 2010-11.
The GIC annual rate for October - December 2010 is 11.74% while the GIC daily rate is 0.03216438%
The SIC annual rate for October - December 2010 is 7.74% while the SIC daily rate is 0.02120548%
For GIC rates, go here
For SIC rates, go here