Which of the Following Best Describes the Consumer Optimum?
A) $\mathrm { MU } _ { \mathrm { a } }$

Multiple Choice

Which of the following best describes the consumer optimum?

A) $\mathrm { MU } _ { \mathrm { a } }$ /
$\mathrm { P } _ { a }$ =
$\mathrm { TU } _ { b }$ /
$P _ { b }$
B) $\mathrm { MU } _ { \mathrm { a } }$ /
$\mathrm { TU } _ { \mathrm { a } }$ =
$\mathrm { P } _ { a }$
C) $\mathrm { MU } _ { \mathrm { a } }$ /
$\mathrm { P } _ { a }$ =
$\mathrm { MU } _ { \mathrm { b } }$ /
$P _ { b }$ = ...=
$\mathrm { MU } _ { \mathrm { Z } }$ /
$P _ { Z }$
D) change in TU/change in P = MU