[logifail]

> you get Azure AD Premium (P1 or P2) bundled for free

Last time I checked what was included with Azure AD the activity logging data was where it looked like things could get expensive. Exporting your authentication logs and/or keeping them for more than a week was a premium add-on.

[pid-1]

M365 Business Premium includes P1 and costs 22 USD per user. You also get MDM (Intune) and other security related stuff.