I and another painter in town(working together) are bidding on a large apartment dormitory building going up at our college. A large construction firm will be building it, own it, and charging the students. they told us to figure our bid on prevailing wage because we will be on payroll. $25 or so base, $40 or so after all the add ons. Apparently if we figure our bid on $40 they are still going to deduct the add-ons and leave us with $25. Is this right? Seeing we are not an employee of them and they are not paying insurance and retirement on us? How should we approach this?