The price of an ice cream cone is £1.50 and you buy three ice cream cones per week. If the price of an ice cream cone falls to £1.25 and you still buy three ice cream cones per week, which of the following is TRUE?
a) The total utility of the fourth ice cream cone per week must be worth less than £1.25 to you.
b) Both the total and marginal utility of the fourth ice cream cone per week must be worth less than £1.25 to you.
c) The marginal utility of the fourth ice cream cone per week must be worth less than £1.25 to you.
d) This violates the law of demand because as price falls quantity demanded must increase.