Choose the Best Definition from the List Below of Bid

Choose the best definition from the list below of bid rigging.

A) Vendors collude with one another and reach advance agreement as to the winning bidder for a particular contract. The winning bidder agrees to compensate the other vendors in some manner.
B) An external document used to request a supplier to sell and deliver the products in the quantities and for the prices specified
C) A supplier generated document, which shows quantities and descriptions of items delivered to the receiving department at the specified warehouse location
D) A document that shows the descriptions and quantities of goods received from vendors