Figure 21-20 The Following Graph Illustrates a Representative Consumer's Preferences for Marshmallows

Multiple Choice

Figure 21-20
The following graph illustrates a representative consumer's preferences for marshmallows and chocolate chip cookies:
-Refer to Figure 21-20. Assume that the consumer has an income of $80. If the price of chocolate chips is $4 and the price of marshmallows is $4, the optimizing consumer would choose to purchase

A) 9 marshmallows and 6 chocolate chips.
B) 10 marshmallows and 10 chocolate chips.
C) 5 marshmallows and 5 chocolate chips.
D) 3 marshmallows and 9 chocolate chips.