Last Year, Joan Bought 50 Kg of Hamburger Mince When

question 79

Multiple Choice

Last year, Joan bought 50 kg of hamburger mince when the household income was $40 000. This year, the household income was only $30 000 and Joan bought 60 kg of hamburger mince. All else being constant, Joan's income elasticity of demand for hamburger mince is:

• A) positive, so Joan considers hamburger to be an inferior good
• B) positive, so Joan considers hamburger to be a normal good and a necessity
• C) negative, so Joan considers hamburger mince to be an inferior good
• D) negative, so Joan considers hamburger mince to be a normal good

---

Definitions:

(R)-2-Butyl Tosylate

A chiral organic compound where a butyl group is attached to a para-toluene sulfonate, used as an intermediate in organic synthesis.

Sodium Iodide

A salt with the formula NaI, used in organic synthesis, and as a dietary supplement.

TsCl

P-toluenesulfonyl chloride, an organic compound used as a reagent in organic synthesis to introduce tosyl groups.

(R)-Pentan-2-Ol

An optically active form of pentanol where the hydroxyl group is attached to the second carbon atom in the pentane chain.