Which of the Following Does NOT Explain the Slope of the Aggregate-Demand

Multiple Choice

Which of the following does NOT explain the slope of the aggregate-demand curve?

A) When interest rates fall, Sleepwell Hotels decides to build some new hotels.
B) The exchange rate falls, so French restaurants in Paris buy more Canadian beef.
C) Janet feels wealthier because of the price drop, so she decides to remodel her bathroom.
D) With prices down and wages fixed by contract, Gatekeeper Computers decides to lay off workers.