Which of the following statements are FALSE about cost reimbursable contracts?

A.
cost-reimbursable contracts generally carry the highest risks to the buyer, as the total costs are uncertain

B.
cost-reimbursable contracts often includes incentives for meeting or exceeding project objectives

C.
cost-reimbursable contracts resemble fix unit agreements when the unit rates are preset by the buyer and seller

D.
cost-reimbursable contracts are contracts that involves payments to the seller for actual costs, plus a fee representing the sellers profit