Your company has $200$ corporate users who are licensed for Microsoft $365$ E$3.$The company secures the business of a major customer that has more than $20,000$ employees globally. It is expected that most of the employees will be invited to your tenant to collaborate in Teams on a regular basis.The IT manager is unsure whether Teams can handle the number of guests.What should you tell the IT manager?Select only one answer.The current Microsoft $365$ E$3$ licensing is sufficient.You must procure an additional $200$ Microsoft $365$ E$3$ licenses to support all the guest users.You must upgrade the existing licenses to Microsoft $365$ E$5$ to support all the guest users.