In each of the following cases, what will happen to the supply curve of tomatoes? Is it an increase or a decrease in supply? What is the relevant factor to cause the curve shift? Briefly explain.

a) Wages paid to farm workers rise.

b) There is a drop in the price of corn, which can be grown instead of tomatoes.

c) There is a sudden autumn frost before the tomatoes are harvested.

d) A new mechanized tomato-picker is introduced that raises productivity.

e) Producers anticipate that the price of tomatoes will fall soon.

f) Market price of tomato falls.