To support more customers in cellular networks, cells in areas of high usage could be split into smaller cells. Which of the following must also be done when cells are split? Select one O a. Service providers could reduce cost by removing base stations from the smaller cells because the smaller cells will not require them b. Service providers could reduce cost by removing channels from the smaller cells because the smaller cells wil not need as many as before. o C. The power levels of the base stations in the smaller cells must be increased since it is more difficult to locate them. O d. The power levels of the base stations in the smaller cells must be reduced to limit interference