Explanation
The following steps should be taken by the administrator to configure Financial Services Cloud correctly based on the scenario:
Assign the record type to users. You need to assign the new record type to the user profiles or permission sets that need to create or access referrals of that type. You can assign record types by going to Setup > Profiles > Object Settings > Leads > Record Types or Setup > Permission Sets > Object Settings > Leads > Record Types.
Create a new record type Referral' on the Lead object. You need to create a new record type on the Lead object and name it Referral. You can use this record type to distinguish referrals from other types of leads and apply different page layouts, business processes, or validation rules for referrals.
Update the lead page layout. You need to update the page layout for the Referral record type and add or remove fields according to the requirements. You can also make some fields required or read-only on the page layout level. You can edit page layouts by going to Setup > Object Manager > Lead > Page Layouts. Verified References: : Salesforce Help Article 3 : Salesforce Help Article [4] : Salesforce Help Article [5]

Explanation
Feed tracking has to be enabled for the Action Plan object in order to add a Chatter component to the Action Plan Lightning record page. Feed tracking allows you to see updates on records in Chatter feeds. You can enable feed tracking for custom objects, such as Action Plan, from the setup menu. Once feed tracking is enabled, you can add Chatter components, such as Feed or Publisher, to the record page using the Lightning App Builder. References: [Feed Tracking], [Chatter Components]

Explanation
To set up a permission set for Actionable Relationship Center (ARC), the administrator should select FSC Standard as the license on the Permission Set setup page. FSC Standard is a permission set license that enables user access to a license with contractual restrictions for Financial Services Cloud and provides access to core objects and features, including ARC1. By selecting FSC Standard as the license, the administrator can grant users access to ARC and its related objects and fields