An increase in supply is always shown by shifting the supply curve to the RIGHT. A decrease in supply is shown by shifting of the supply curve to the LEFT.
Click and drag the supply curve to the RIGHT (P goes down; Q goes up).
Click and drag the supply curve to the LEFT (P goes up; Q goes down).
Release date
2016
Source
http://reffonomics.com/Supply.html
Increase in Supply and Decrease in Supply Screenshots
