• The following assumption(s) is/are true regarding indifference curves:
• A.Each and every consumption basket lies on only one indifference curve.
• B.Indifference curves have a negative slope if a consumer likes both goods.
• C.Indifference curves cannot intersect.
• D.If two goods are perfect complements, the indifference curves are L-shaped.
• E.All of the above.