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)