A utility$‐$maximizing consumer buys so as to make $\_\_\_\_\_\_\_\_$ for all pairs of goods.

$($MUx is the marginal utility of good x and Px is the price of good x; MUy is the marginal utility of good y and Py is the price of good y$)$

Question $5$Answer

a$.$

MUx$/$Px $=$ MUy$/$Py

b$.$

TUx$/$Px $=$ TUy$/$Py

c$.$

MUx $=$ MUy

d$.$

Px$($MUx$)=$ Py$($MUy$)$