Figure 4-8 -Refer to Figure 4-8.The Diagram Shows Two Supply Curves,SA and Supply

Figure 4-8
-Refer to Figure 4-8.The diagram shows two supply curves,SA and SB.As price rises from P₀ to P₁,which supply curve is more elastic?

A) SA
B) SB
C) They are equally inelastic.
D) They are equally elastic.