Which two solutions should a consultant recommend?

Universal Containers has a large sales department that is dispersed worldwide. Sales managers want greater visibility into the opportunities in progress with their respective teams and want to receive email notifications when opportunities reach key metrics ( e.g. progress to a certain stage or reach a specific probability).

However, individuals want to control the frequency of their email notifications.

Which two solutions should a consultant recommend? Choose two answers.
A . Configure the individual Salesforce for Outlook email settings to control notification frequency.
B . Configure Chatter Feed Tracking to provide updates for the key metrics the sales managers are looking for.
C . Create a report filtering for the desired criteria and individuals subscribe to the report.
D . Define a workflow rule and email task that is triggered when key fields are updated to new values.

Answer: B,C