True
False
None
Both
1-F,2-T,3-F
1-T,2-T,3-T
1-F,2-T,3-T
1-F,2-F,3-T
yes
no
maybe
could not say
the percentage change in the quantity demanded divided by the percentage change in income
the percentage change in income divided by the percentage change in the quantity demanded.
the percentage change in the quantity demanded of a good divided by the percentage change in the price of that good.
the percentage change in price of a good divided by the percentage change in the quantity demanded of that good