In Australia, the 10% GST rate means that selling an item for $30 results in the customer paying $33. This added amount represents the total GST applied to the product Gst rate australia, collected by the government through ATO. Moreover, businesses can reclaim the GST they've already paid on goods purchases for their operations. To determine their GST liability, businesses subtract the GST spent on purchases from the GST received on sales, ensuring compliance with taxation regulations.