Bobby Consumes Only Chocolate Ice Cream and Vanilla Ice Cream

Multiple Choice

Bobby consumes only chocolate ice cream and vanilla ice cream. He is spending all of his income. His marginal utility of chocolate is 200 and his marginal utility of vanilla is 100, and the price of chocolate is $2.00 per scoop and the price of vanilla is $1.00 per scoop. Bobby has maximized his

A) marginal utility of chocolate ice cream.
B) marginal utility of vanilla ice cream.
C) marginal utilities of chocolate ice cream and vanilla ice cream.
D) total utility.