During a project the scope of a product purchased on a cost reimbursable contract has increased. In the contract the fee to cover the contractor's indirect costs and allow a profit is calculated as 20% of the direct costs. What is most likely to be true ？（）
A．The contractor's indirect costs will increase and the customer's payment for them will increase, too.
B．The contractor's indirect costs will increase but the eLlstomer's payment for them will not increase.
C．Neither the contractor's indirect costs nor the customer's payment for them will increase.
D．The contractor's indirect costs will not increase but the customer's payment for them will increase.
参考答案：A
解析：
一个使用成本补偿合同的产品采购合同范围增加了，在合同里面买方支付的费用包括承包商的间接成本和直接成本的20%。下列哪个说法最可能是正确的
A) 承包商的间接成本会增加，为此客户的费用也会增加。
B) 承包商的间接成本会增加，但客户的费用不会增加。
C) 承包商的间接成本不会增加，客户的费用也不会增加。
D) 承包商的间接成本不会增加，而客户的费用会增加。
因为是成本补偿合同，间接成本由买方(客户)支付。