More on the "Diet Problem"

I have discovered that my Excel spreadsheets for the diet problem are still online.
The Macdonald's diet problem with UK date is at:
http://www.secamlocal.ex.ac.uk/people/staff/DKSmith/BigMacLP.xls
A similar problem with Fairtrade goods and wholefoods is at:
http://www.secamlocal.ex.ac.uk/people/staff/DKSmith/FairTradeCW2.xls

In each case the prices will need to be checked and updated.