Phil Rupp, Has a Sister Ethel Who Has the Utility

Multiple Choice

Phil Rupp, has a sister Ethel who has the utility function U(x, y) =min{4x + y, 5y}.Where x is measured on the horizontal axis and y on the vertical axis, her indifference curves consist of a

A) vertical line segment and a horizontal line segment that meet in a kink along the line y = 4x.
B) vertical line segment and a horizontal line segment that meet in a kink along the line x = 4y.
C) horizontal line segment and a negatively sloped line segment that meet in a kink along the line x = y.
D) positively sloped line segment and a negatively sloped line segment that meet along the line x = y.
E) horizontal line segment and a positively sloped line segment that meet in a kink along the line x = 4y.