After you have studied Economics in the News on pp. $398-399$, answer the following questions.
a. What are the strategies of T-Mobile and AT\&T in the market for cellphone service?
b. Why, according to the news article, is it that AT\&T and T-Mobile are in a fierce battle?
c. Why wouldn't AT\&T stick with its high price and leave T-Mobile to incur the cost of offering higher-valued plans?
d. Could T-Mobile do something that would make it the market leader? Would that action maximize T-Mobile's profit?