Betsy's Utility Function for BMWs and Money Is Given by 24,000x

Betsy's utility function for BMWs and money is given by 24,000x + y, where x is the number of BMWs she has and y is the amount of money she has. Her income is $32,000. Her reservation price for one BMW is

A) $24,000.
B) $24,000 - p.
C) $24,000 - y.
D) $8,000.
E) $56,000.