Demand headlines

(1) Complementary demand- Football game runs out of Ketchup! and Hot dog sales weenie out.

(2) Substitute demand- Cows everywhere get sick, milk drinkers are outraged and sales in soy milk are utterly unbelievable! 

(3) Elastic demand- Bananas sales are slipping to the newest apples in the store. 

(4) Inelastic demand- Scientists find a strange toxin in the towns drinking water and everyone's response is that they haven't died yet they wont die soon.