EIPP:.
A. Send invoices to customers via a Web portal.
B. Are B2B systems that combine e-invoicing and e-payment processes.
C. Send invoices to customers via a secure network using a third-party service provider.
D. All of these choices are correct.

D. All of these choices are correct

Explanation:

Electronic invoice presentment and payment, otherwise known as EIPP are business-to-business systems that combine e-invoicing and e-payment processes for the purpose of sending invoices to customers via Web portal or via a secure network by the use of a third party service provider. They are also used for receiving payer-initiated, third-party-processed, and ACH-network-settled wire transfers.

Answer is D. All of these choices are correct.

Refer below.

Explanation:

EIPP:

Send invoices to customers via a Web portal.

Are B2B systems that combine e-invoicing and e-payment processes.

Send invoices to customers via a secure network using a third-party service provider.

we can all learn from our past mistakes because we all have different ways of learning different types of techniques. my way may or may not another classmate remember and have the repetition to acknowledge such standard. such as remembering acronyms. using abbreviations to us remember keep things in order in our memory. this us figure out what comes next in the sequence. if so, what we have is a sentence of just letters all in caps. we either know the meaning or have no idea what it stands for. most of the time we know the meaning and context. but most of us who don't know, should learn by having a quick glance at what needs to be remembered. such as repetition in the memory for acronyms. one way that me, is the fact that i'm always doing math and english assignments. so we have to remember specific meanings such as soapstone for documents, such as citing correctly. or pemdas for doing the equations correctly, even if it's the super long way. this works for everyone. you just have to find what works for you by practicing and repetition daily.