Lana Is an Executive at a Company with Locations Across

Lana is an executive at a company with locations across the country. She needs to educate managers in these various offices about an update the company has made to its data storage process. The topic is not particularly sensitive, but it is complicated and technical, with numerous opportunities for misunderstanding or misinterpretation. Taking into account the various factors a manager should consider when choosing a communication medium, what is the best option for Lana?

A) to hold a series of face-to-face meetings with the manager in each city so she can demonstrate the new process, then send a group email with step-by-step instructions
B) to conduct a videoconference with the whole group so she can demonstrate the new process and answer questions, then send a follow-up group email
C) to send individual email messages containing step-by-step instructions, then make individual telephone calls to each manager to ensure they understand the process
D) to make a telephone call to each team member so she can explain the process and answer questions, then send an individual email message with answers to each of that managers questions