A.1.3 B.1.5 C.1.8 D.2
A.180 B.293 C.221 D.228
A.降低基準(zhǔn)收益率 B.提高基準(zhǔn)收益率 C.提高社會(huì)折現(xiàn)率 D.降低社會(huì)折現(xiàn)率