浦东外高桥地区建筑工程劳动力成本调查据对浦东外高桥地区建筑工程的抽样调查，从事建筑业的劳动力基本上由本地劳力、郊县合同工、外省市民工三部分构成，基本比例为４０％、４０％、２０％．其劳动力成本构相成情况如左表：根据上述调查表明，一个劳动力若年基本收入为... Waigaoqiao area of ​​Pudong construction labor cost survey According to the Pudong Waigaoqiao area construction sample survey, engaged in construction labor force basically by the local labor, suburban contract workers, other provinces and cities of migrant workers in three parts, the basic ratio of 40% , 40%, 20%. The labor cost structure of the situation as shown in the left table: According to the above survey shows that the basic income of a workforce for the year as ...