Harry Fletcher is a market analyst at an automobile firm. He formed a hypothesis that an increase in advertising would increase demand for the firm's cars. The ad campaign ran for a period of six
months. However, the results were not as positive as Harry had anticipated.
Which of the following, if true, can explain this outcome?
OA. Data reveal substantial growth in consumption demand during this period.
B. The firm increased investment in supply chain management
OC. The prices of cars have remained stable over the last year.
OD. Interest rates increased substantially during this period.
E. The domestic economy grew by 2 percent last year.