At His Current Consumption of Lobster and Hamburgers,Ike's Marginal Utility

Multiple Choice

At his current consumption of lobster and hamburgers,Ike's marginal utility from eating lobster is 30 and from hamburger is 5.If the price of a hamburger is $3,and the price of lobster is $20,Ike should:

A) purchase less lobster and hamburger in equal amounts.
B) purchase more lobster and fewer hamburgers.
C) purchase less lobster and more hamburgers.
D) purchase more lobster and hamburger in equal amounts.