Refer to Table 3.2, if the supply schedules 1, 2, and 3 are the market supply schedules for DVDs in three
Refer to Table 3.2, if the supply schedules 1, 2, and 3 are the market supply schedules for DVDs in three
different time periods, what could explain the change from the Supply 1 schedule to the Supply 2 schedule?
Table 3.2
| Supply 1 | Supply 2 | Supply 3 | Price per DVD ($) |
| 60 | 30 | 12 | 5 |
| 50 | 25 | 9 | 4 |
| 40 | 20 | 6 | 3 |
| 30 | 15 | 3 | 2 |
| 20 | 10 | 0 | 1 |
| A. | A decrease in the price of DVDs |
| B. | A decrease in the cost of DVD players |
| C. | A change in consumer preferences |
| D. | A change in the average income of consumers |