Sprite Vs. 7 Up
There has been an increase in sprite because they made this awesome deal where if you buy one 12-pack of sprite you get to go see a free concert! People will be wanting a lot more sprite and less 7 up because 7 up does not give that deal. the demand for 7 up will decrease. The demand for sprite will increase.
Cherry meets limeade
related goods- complimentary
There is this cool new trick people have been trying. Everyone loves a limeade drink, and everyone loves the sweet cheery taste. There has been an increase for the price of limeade drinks. That means that the demand for cherries will go up.