22) Based on company historical data, your masonry crew can achieve a productivity rate 3 of 1 hours per SF 4 You estmate the job to have 5000 SF of masonry and will need two helpers to help the mason due to the travel distance which results in an efficiency factor of .90 25 26 27 Your loaded labor rates are: 28 29 Mason 30 Helper 31 $25/hour $15/hour 32 What is your estimate for the labor cost for the masonry? 33