When Using Negotiating a ____,It Is Necessary to Include A/an

Multiple Choice

When using negotiating a ____,it is necessary to include a/an ____ that allows a buyer to terminate the contract in the event of persistently poor quality,delivery problems,and the like.

A) spot buy contract....evergreen clause
B) RFP....RFQ
C) purchase order....purchase agreement
D) blanket purchase order....escape clause
E) online catalog....RFP