Describe the shift you are seeing in the graph
demand shift
10
9
January demand
8-
7
6
price per item
February demand
22
04
0
1
2
3
4
5
-
6
7
8
number of items sold
9
10
Demand has increased from January to February
Demand has decreased from January to February
Supply has increased from January to February
Supply has decreased from January to February