Which customers would benefit most from purchasing a Sender Authentication Package (SAP)?

Which customers would benefit most from purchasing a Sender Authentication Package (SAP)?
A . A growing consumer brand that expects to send 500,000 emails per month and would like email branding to be consistent with its domain,
B. A nonprofit organization that sends roughly 50,000 newsletter emails per month.
C. A growing retailer that currently leverages Marketing Cloud’s MobileConnect and MobilePush.
D. A customer who wants to share another IP within their account structure and is unconcerned about branding at this time.

Answer: A