You are a contracting officer for the U.S. Army Corps of Engineers and you have a requirement for surveying and mapping services for various Walla Walla District civil works projects over the next five years. You intend to award an indefinite delivery indefinite quantity contract with a five-year ordering period. The estimated value of the acquisition is $5 million. Which of the following methods of contracting can you use for this requirement?

a. Simplified acquisition procedures

b. Sealed bidding

c. Contracting by negotiation

d. Two-step sealed bidding

e. Broad agency announcement with peer or scientific review

f. A-E selection procedures

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