Which of the Following Statements Most Fully Explains a Driver's

Multiple Choice

Which of the following statements most fully explains a driver's decision, as discussed in the Case in Point on Changing Lane and Raising Utility, to pay to use a highway express lane?

A) The total utility of using the lane must be greater than zero.
B) The marginal utility per dollar on using the lane must be greater than zero.
C) The marginal utility per dollar spent on the lane must be equal to the price per gallon of gasoline plus associated driving costs.
D) The marginal utility per dollar spent on the lane must be greater than the marginal utility per dollar spent on the next best alternative.