In which of the following contract types is it easier to change the scope of the contract:
A firm fixed price
B fixed price plus incentive fee
C cost plus percentage of cost
D letter contract
E None of the above.
第1题:
In approximating costs, the estimator considers the possible causes of variation of the cost estimates, including.(71)。
A.budget
B.plan
C.risk
D.contract
第2题:
第3题:
第4题:
After discharging,the above valves were inspected again and found them in ______ condition.
A.detact
B.contact
C.intact
D.contract
第5题:
第6题: