Which advantages apply to a Simple RFX? Note: there are 3 correct answers to this question.

Which advantages apply to a Simple RFX? Note: there are 3 correct answers to this question.
A . Customers can specify time periods for which they need a quote
B . Customers can schedule Simple RFx events for materials
C . Customers can capture pricing information on an ongoing basis
D . Customers can use Simple RFx event within auctions
E . Supplier can specify for how long are their quotes are valid

Answer: A, B, C