Which of the following elements apply to Invoice Adjustments? Note: There are 2 correct answers to this question.

Which of the following elements apply to Invoice Adjustments? Note: There are 2 correct answers to this question.
A . Invoice Adjustments can be either a credit or a debit item to be added to an invoice
B . Invoice Adjustments can be either a credit or a debit item to be added to an invoice
C . An invoice Adjustment must always be a taxable item
D . Invoice Adjustments are not selectable by Suppliers

Answer: AC