Which two solutions should a consultant propose to meet this need?

A nonprofit organization is using Volunteers for Salesforce and wants its volunteers to be able to log their own volunteer hours.

Which two solutions should a consultant propose to meet this need? Choose 2 answers
A . Set up a workflow rule with a weekly email alert sent to all volunteers asking them to reply back and report their hours for the week and then a user will manually enter the hours in Salesforce.
B. Set up a Chatter Group for each volunteer job, add volunteers who are assigned to that job, and have the volunteers log their hours in the Chatter Group.
C. Set up the Volunteers Personal Site and direct the volunteer to record hours on the tab there.
D. Set up a Log Volunteer Hours section on a page on your website and direct volunteers there to log their hours to the volunteer job or shift they worked on.

Answer: C,D