A. vessel towing a submerged object B. dredge underway and dredging C. hydrographic survey vessel at anchor and surveying D. None of the above
A. 税前工程造价×(1+建筑业增值税税率) B. 税后工程造价×(1+建筑业增值税税率) C. 税前工程造价×建筑业增值税税率 D. 税后工程造价×建筑业增值税税率
A. 正确 B. 错误