Identify whether each of the following transactions will take place in an input market or in an output market, and whether firms or households are demanding the good or service, or supplying the good or service.

a. Jan works 40 hours a week at Rutgers University, New Jersey.

b. Maili decides to tour Central Asia during her summer vacation.

c. Ford closes one of its factories in the United States due to increasing steel prices.

d. The Zhao Company acquires a housing project in Hong Kong so they can build new and more expensive condos.