We are told that the weekly demand for a particular cell phone for the next two weeks will be constant at 800 per week in Dallas. In order to increase the demands, we can run a promotion during the first week. There are two promotion plans A and B, and the demand forecasts under these plans are as follows: Promotion Plan Week 1 Week 2 None A B 800 1000 1400 800 600 600 Which of the following statements can be true? 1. Promotions increase the total demands over two weeks 2. Plan A discounts the price more than plan B 3. Plan B stabilizes demand more than plan A 4. Plan B discounts the price more than plan A