Looking through the microscope

Looking through the microscope

The computer and hardware industry in Australia has shown consistent growth of 4.3% for the last 5 years and is projects to grow at 4.1% for the next 5. With an annual revenue of $6.3bn and a slim profit of $389.2m shared between 1,825 companies who contribute $250m in wages. Harvey Norman, JB Hifi and Woolworths are the leader in the market, representing 43.5% market share. 93% of this is home computer usage.
This represents an industry average profit is 6.3% at the retail end.
So, in the article attached, where in the supply chain is the extra money going?

http://www.theage.com.au/digital-life/digital-life-news/aussie-tech-price-ripoffs-go-under-the-microscope-20110922-1km3r.html