The Contracting Officer monitors costs as required by the contract type (fixed-price or cost-reimbursable) and makes contract modifications as needed.
Cost-reimbursable and fixed price are two of the costs that are mandated by contract type.
A group of people standing on a city street in front of a red car, in which one woman with red-hair and black shirt with a red suitcase speaking to a portly man wearing a creme shirt and brown shorts.