AW Computing uses a custom Invoice object to track invoices related to accounts. The administrator wants to use roll-up summary fields to view high-level information at a glance on the account record.
Which two considerations should an administrator remember about roll-up summary fields?
Choose 2 answers

Northern Trail Outfitters (NTO) is expending into the U.K. While most of NTO's product are the same as in the US. Pricing will vary from product due to shipping and raw material cost differences.
What should the administrator configure for a smooth rollout to the U.K.?

Northern Trail Outfitters (NTO) has a private sharing model for records containing a customer's credit Information. These records should be visible to a sales rep's manager but hidden from their colleagues.
How should an administrator adjust NTO's sharing model to ensure the correct amount of confidentiality?

AW Computing it running a special bundle deal on monitors and keyboards. Normally, discounts need VP approval, but this special bundle is pre-approved.
What should the administrator recommend for these requirements?

The administrator at Cloud Kicks created a flow in a sandbox that walks service agents through the Return Merchandise Authorization creation process. The administrator deployed the flow to production with a Change Set. Users are unable to use the flow in production.
Which step should the administrator take?
Activate the flow administrator take?