【简答题】Passage Two Installing solar panels on the roof of your home is a big project—but it pays off in more ways than one. There's the obvious environmental benefits, but for many homeowners , the joy comes...
【单选题】If the price of an alternative is lower than the price of the existing product, and customers perceive similar benefits from both the products, then the ________.
A.
switching cost is high
B.
price of the product should be increased to retain market share