Mass Diagram 5000 4000 3,500 3000 2,100 6.0 2,100 7.0 2000 1,500 8.0 1.500 8.0 do 1000 7.1 1,100 6.0 750 0 5.0 0 O Net Cumulative Yardage -1000 -2000 -3000 3,000 -4000 -5000 0 5 10 15 20 25 Stations Limit of free haul = 600 ft Price of excavation = $3.50 Price of borrow = $3.75 Overhaul = $1.50 What is the total excavation cost to the nearest dollar? $30,000 wer O $28,000 $25,375 $20,250 red O None of the above