Hello
Just a thought - a friend of mine who is a Business Studies teacher has
written over a 1000 documents to support teachers of Business Studies - I
see that she has several lesson plans and classroom notes which focus on
employed capital, return on capital etc. It is a subscription service but
you might like to look at the free sample materials and the demo site at
http://www.micro-active.com/tptv
Cheers
Geoff
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