Unit 1: Opportunity cost of increased government debt

This graphic from the times gives a vivid example of the idea of opportunity cost

http://extras.timesonline.co.uk/pdfs/economy_250409.pdf

Economics student also has this related article

http://rapidrevision.co.uk/economics-student/2009/04/27/opportunity-cost-of-servicing-the-national-debt/

a) Define opportunity cost
b) Exlain how the graphic can be used to explain the opportunity cost of increased government debt
c) Using a PPC diagram, explain how increased government debtleads to a movement along the PPC