-Refer to Figure 6 -1

-Refer to Figure 6 -1. Which of the following statements is true?

A) Points a and b are derived independently of the utility -maximizing model.
B) Points a and b are the utility -maximizing quantities of ice cream cones at two different prices of ice cream.
C) Point a could be a utility -maximizing choice if the price is US$3 but point b may not be because we have no information on the marginal utility per dollar when price changes.
D) Points a and b may not necessarily be the utility -maximizing quantities of ice cream cones at two different prices because we have no information on the consumer's budget or the price of other goods.