If a good is offered to you free of charge, then you

If a good is offered to you free of charge, then you
 a. never stop consuming it
  b. stop consuming it when its marginal utility begins to fall
  c. stop consuming it when its marginal utility begins to increase
  d. stop consuming it when its marginal utility equals 0
  e. stop consuming it when its total utility equals 0

QUESTION 2

A free good (price = 0) will be consumed up to the point at which its marginal utility is zero.
 a. True
  b. False

QUESTION 3

The fact that the washroom usually has paper towels left (free to the consumer) suggests that the marginal utility of paper towels quickly diminishes to 0 for each consumer.
 a. True
  b. False

QUESTION 4

When total utility is falling, marginal utility is
 a. increasing
  b. decreasing
  c. positive
  d. negative
  e. 0

QUESTION 5

The law of diminishing marginal utility implies that the marginal utility of my fifth waffle is less than the marginal utility of my friend's second waffle, other things constant.
 a. True
  b. False

QUESTION 6

Negative marginal utility means that
 a. total utility is also negative
  b. marginal utility increases as additional units are consumed
  c. the price of the product increases as additional units are consumed
  d. the total revenue spent on the product decreases as more of the product is purchased
  e. total utility decreases as additional units are consumed

QUESTION 7

Newspaper vending machines illustrate that publishers believe
 a. the average utility of two identical papers is zero or less
  b. the total utility from two identical newspapers is zero or less
  c. the marginal utility of a second identical newspaper is zero or less
  d. the marginal utility of a second identical newspaper is greater than the marginal utility of the first newspaper
  e. the total utility from two identical newspapers is less than the total utility from the first newspaper