Forecast, which discloses, allows user to create project or body of work, defines that project of attribute, selects relevant historical data from the historical data of database, and appropriate by scaling project forecast historical data. The project forecast may include cost and labor utilization forecast. The utilization rate and supply demand data of labour can it is breakdown by trade, system can provide that demographics and geography information be related and labour. In order to provide corpus of historical data abundant, it was demonstrated that payroll is reported or other sources provide some data until the level of self-employed labourer, can with generate cost and labour forecasts.
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