Thanks for all your advice on my previous thread. I have now read all the guides and I think I get it - sorry if my questions and terminology were a bit off before 
Anyway, my thread before turned out to be unnecessary - the client has decided that I won't be let go after all but redeployed onto a different project in the same company.
I decided that this might be a good time to approach the client for an increase in my rate. He said that I should go to my agency - is this normal? When I approached the agent, he said he would be prepared to give me a "cost of living" increase.
My question is, how do I calculate the cost of living? I said I would get back to him tomorrow so any responses appreciated!

Anyway, my thread before turned out to be unnecessary - the client has decided that I won't be let go after all but redeployed onto a different project in the same company.
I decided that this might be a good time to approach the client for an increase in my rate. He said that I should go to my agency - is this normal? When I approached the agent, he said he would be prepared to give me a "cost of living" increase.
My question is, how do I calculate the cost of living? I said I would get back to him tomorrow so any responses appreciated!


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