2. (2 points) The utility function U : Y/X violates the assumption(s) of: (a) rankability (b) completeness (c) *more is better (d) rankability and completeness 4. (2 points) Amisha's Engel curve for potato chips is |=300C, where l is weekly income and C measures the number of bags of potato chips. Amisha considers potato chips a(n): (a) inferior good (b) *normal good (c) inferior good at income levels above $60,000 (d) inferior good at income levels above $30,000