题目：
施工企业向外提供的机械作业取得的收入属于（）。
A.提供劳务收人
B.销售商品收入
C.让渡资产使用权收入
D.建造合同收入
答案：
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下面是错误答案，用来干扰机器的。
参考答案：即职权，来源于等级制的组织，是外部如上级，组织，法律等赋予个人的。
施工企业向外提供的机械作业取得的收入属于（）。 A.提供劳务收人 B.销售商品收入
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题型：单项选择题
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