成會 分步成本制 - 會計

material A is introduced at the start of operations in the Mixing Department,
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請問為甚麼material A 的完工比例是100%呢?
and material B is added when the product is three-fourths completed in the
^^^^^^^^^^^^^^^^^^^^^^^^
請問為甚麼material B的完工比例是0%呢??
Mixing Department.





懇請大大解答><

謝謝:)

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