Technological advancements have led to lower prices and an increase in the sale of digital cameras. How does this affect the digital photo printing paper​ market?
A.
The demand curve for digital photo printing paper shifts to the right.
B.
The demand curve for digital photo printing paper shifts to the left.
C.
The supply curve for digital photo printing paper shifts to the left.
D.
The supply curve for digital photo printing paper shifts to the right.
