Figure 4.3 shows the supply curves for baby formula.In the figure given below,which of the following changes is likely to result from an increase in the number of firms producing baby formula?
A) A rightward shift of the supply curve from S
1 to S
2B) A movement from point a to point b on the supply curve S
1C) A leftward shift of the supply curve from S
2 to S
1D) A movement from point c to point d on the supply curve S
2E) A movement from point b to point a on the supply curve S
1