Employment Offer Letter Example How Do You Negociate Salary After Getting The Employment Offer Letter?

How do you negociate salary after getting the employment offer letter? - employment offer letter example

I always had jobs where he said how much they must pay, either it or leave it. Now I am in the position I was offered by an official letter .. I'm not happy with the wages they offer .. How can I negotiate with them and is it possible? How much more of what they want to suggest, to learn more? Is there a standard? How can I ask for more money? Call them?