The total utility you get from eating slices of pizza on a given ...

[LaDunn]

The total utility you get from eating slices of pizza on a given night is the
 
  A) marginal utility of the last slice times the total number of slices eaten.
  B) sum of the differences in marginal utility as you increase the number of slices eaten.
  C) sum of the marginal utilities of all slices eaten.
  D) sum of the marginal utilities per dollar spent on all slices eaten.

Question 2

As the price of cell phones fell during the last decade, consumers' total expenditures on cell phones increased. If the demand curve for cell phones did not shift, this fact means that the demand for cell phones
 
  A) must have shifted leftward.
  B) must be upward sloping.
  C) is elastic.
  D) is inelastic.

[sultansheikh]

Answer to Question 1

C

Answer to Question 2

C

[LaDunn]

Thanks for the timely response, appreciate it

[mohan]

Wow, this really help