Answer:
I believe (in the novel) it says that they both are individualistic, free-thinking, and rebellious. Winston and Julia also have some differences like Julia are young but Winston is older. Julia also has an interest which is to pursue her own desires, unlike Winston.
Explanation:
Marginal utility of money is the amount of value (happiness) gained from an increase amount of money available to you. This value changes depending on how much you already have stache’d away. Put another way, the value I get from saving an extra dollar means a lot more than to a billionaire.