14 Not yet answeredPoints out of 1.00Not flaggedFlag question Question text Rivalry among cellular service providers like AT&T, Verizon Wireless, and T Mobile, is extremely high. We might be able to conclude that the reasons for this situation include: a. Slow industry growth for new subscribers b. High fixed costs c. Lack of differentiation of cellular services d. Oversupply of services in the industry e. All of the above