Let W Be the Number of Whips and J the Number

Multiple Choice

Let w be the number of whips and j the number of leather jackets.If Kinko's utility function is U(x, y) =min{7w, 4w + 12j}, then if the price of whips is $20 and the price of leather jackets is $40, Kinko will demand

A) 6 times as many whips as leather jackets.
B) 5 times as many leather jackets as whips.
C) 3 times as many whips as leather jackets.
D) 4 times as many whips as leather jackets.
E) only leather jackets.