A.生產(chǎn)工人工資 B.外購燃料動力費 C.外購原材料費 D.固定資產(chǎn)折舊費
A.21.25% B.28.50% C.28.85% D.32.14%
A.20.00 B.20.2 C.20.8 D.22.2