PLZ FILL IN THE BLANKS USING INFORMATION PROVIDED

Society consists of two individuals, A and B, who must split a fixed income of $100.Individual A's marginal utility of income is given by MU_A=400-2I_A and individual B's marginal utility of income is given by MU_B=200-4I_B.

Suppose the social welfare function is W=U_A+U_B.

30. What is social welfare at the optimal distribution of income? $ ______________

What if the social welfare function is, instead, W=U_B.

31. What is social welfare at the optimal distribution of income? $ ______________