某厂生产甲产品经两道工序制成。其在产品成本资料如下：原材料在开始生产时一次投入。当月完工入库甲产品50件。甲产

大学试题答案(课后习题答案)

单项选择题

某厂生产甲产品经两道工序制成。其在产品成本资料如下：
原材料在开始生产时一次投入。
当月完工入库甲产品50件。甲产品单件工时定额800小时。
其中，第一道工序工时定额480小时；第二道工序工时定额320小时。
第一道工序在产品结存40件；第二道工序在产品结存50件。
甲产品月初和本月耗用原材料费用14万元；月初和本月耗用工资和附加费30600元；
月初和本月耗用燃料、动力及其他费用45900元。
企业账面计算的在产品成本为9万元。已知该企业本期存销比例为2:8。
根据以上资料，回答下列问题：
第一工序的完工率为( )。

A.10%
B．20%
C．30%
D．60%

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