TeriTeri

receives

$4040$

utils from her first

slice of pizzaslice$$of$$pizza$,$

$2020$

utils from her second

slice of pizzaslice$$of$$pizza$,$

and

$1010$

utils from her third

slice of pizzaslice$$of$$pizza$.$

TeriTeri$\text{'}$s

marginal utility from her

secondsecond

slice of pizzaslice$$of$$pizza

is

A$\mathrm{.}30$

$3030$

B$\mathrm{.}10$

$1010$

C$\mathrm{.}20$

$2020$

D$\mathrm{.}70$

$7070$

E$.$

Marginal utility cannot be determined from the information given.