Unit 3: Unemployment rises in the UK to 1.9m

This BBC clip (and linked article) explains the latest unemployment figures

http://news.bbc.co.uk/1/hi/uk/7841545.stm video
http://news.bbc.co.uk/1/hi/business/7841349.stm article

a) What is meant by the job rate?
b) Why do government finances suffer as the number unemployed rises
c) Using a S&D diagram, explain why it is suggested the £ will fall in value as the UK economy deterioates