2.NETCO had traditionally estimated its opportunity cost of capital for major business investments by adding a risk premium of 10 percentage points to yields on newly issued Treasury bonds .19 Mr.

• NETCO传统上通过在新发行的财政部债券的到期收益率上增加10个百分点的风险溢价来估算其主要业务投资的资本机会成本19。