Which Salesforce feature should a company implement to provide a method for its resellers to track their Leads and Opportunities?

Universal Containers has two business groups, Products and Services. Both groups will be using opportunities to track deals, but different fields are required by each group.
In which two ways should an administrator meet this requirement? (Choose two.)

Which permission allows a user to create a new solution?

If single sign-on is enabled for your organization, API and desktop client users cannot log in to Salesforce CRM unless their IP address is included on your organization's list of trusted IP addresses or on their profile, if their profile has IP address restrictions set.

Which Salesforce editions provide option for customizing profiles?