Asupervisor who has more than seven people reporting to him or her: select one: a. should regularly report to the incident commander (ic) to inform him or her of the functions that his or her team is performing. b. should assign a specific task to each person reporting to him or her and regularly follow up to ensure that the tasks were carried out. c. has exceeded an effective span of control and should divide tasks and delegate the supervision of some tasks to another person. d. is more beneficial to the overall effort than a supervisor with fewer personnel because his or her team can accomplish more tasks.