[bpyne]

Other commentors gave good advice about how to negotiate.

In the US, there's an expression called "Keeping up with the Jones'". It means you're trying to match what you see other people getting in income, material goods, etc., often at the expense of your own happiness. Think about the following before you act.

Why is the situation bothering you?

Are you being influenced by another party who thinks you're being taken advantage of?

Are you happy with the work and is it allowing you to enjoy your life?