A.∑(報告期設(shè)備工器具單價×報告期購置數(shù)量)/∑(基期設(shè)備工器具單價×基期購置數(shù)量)
B.∑(報告期設(shè)備工器具單價×基期購置數(shù)量)/∑(基期設(shè)備工器具單價×基期購置數(shù)量)
C.∑(報告期設(shè)備工器具單價×報告期購置數(shù)量)/∑(基期設(shè)備工器具單價×報告期購置數(shù)量)
D.∑(報告期設(shè)備工器具單價×報告期購置數(shù)量)/∑(報告期設(shè)備工器具單價×基期購置數(shù)量)