A consumer's equilibrium establishes at a point where
1
\(\frac{M U_{1}}{M U_{2}}=\frac{P_{1}}{P_{2}}\)
2
\(\frac{M U_{1}}{M U_{2}}=\frac{P_{1}}{P_{2}}\) = Marginal utility of Income
3
\(\frac{\mathrm{MU}_{1}}{\mathrm{P}_{1}}=\frac{\mathrm{MU}_{2}}{\mathrm{P}_{2}}=\) Marginal utility of Income
4
All of these