Which type of contract is most commonly used by buying organizations because the price for goods is set at
the outset and is not subject to change unless the scope of work changes?

A.
Fixed Price with Economic Price Adjustments Contract (FP-EPA)

B.
Cost-Reimbursable Contract (CR)

C.
Firm-Fixed -Price Contract (FFP)

D.
Fixed-Price-Incentive-Fee Contract (FPIF)