Indicate Whether Each of the Following Situations Would Shift the Supply

Short Answer

Indicate whether each of the following situations would shift the supply curve to the left, to the right, or not at all.
a.An increase in the number of firms in the market
b.An increase in the current price of the product
c.A decrease in productivity
d.An increase in the expected future price of a product
e.A decrease in the price of an input