Walkmans play cassette tapes. Producers of Walkmans expect that a new technology for producing CD players will be available next year. Walkman Watch asks you to predict the effect of the new technology on the market for Walkmans. You predict that
1) The market for Walkmans will decline as consumers switch to CD players.
2) The market for Walkmans will remain unchanged as there will still be demand for cassette tapes.
3) The market for Walkmans will expand as consumers embrace the new technology.
4) The market for Walkmans will depend on the price and quality of the new CD players.