a project purchased a gypsum board worth US $10000. The gypsum board is composed

admin

试卷: LEED v4 BD+C英文模拟题（B）[查看]
a project purchased a gypsum board worth US $10000. The gypsum board is composed of the following parts, and the contribution value is? 5% of the recycled paper comes from the paper mill 5 km away, and 50% of the used gypsum provided by the recycling station 3 km away is purchased from the manufacturer 1 km away
A: 3,000
B: 5,500
C: 110,000
D: 20,000

参考答案: C