Some Producers Are Chatting Over a Beer

Some producers are chatting over a beer. Which quotation refers to a leftward shift of the supply curve?

A) "Wage increases have forced us to raise our prices."
B) "Our new, sophisticated equipment will enable us to undercut our competitors."
C) "Raw material prices have fallen; we will pass the savings on to our customers."
D) "We anticipate a big increase in demand. Our product price should rise, so we are planning for an increase in output."
E) "We anticipate a big decrease in demand. Our product price should fall, so we are planning for a decrease in output."