1. Calculate the equipment and labor prices per cubic yard (Cr) to excavate 7500Cr of trench using a $ CY backhoe costing $750/dxy (hourst, plus $3,000 for transportation and setup charges. Expected output is 75Cr/Hour with an eperater and 1labener at $0.00 and $25.00, respectively. (5 Points) 2. A crew comprising of 5 laborers, 1 operator, 0.5 labor foreman is observed to take 5 days (40 hours] to excavate 2,000CY of heavy soil af the wage rate of laborers is $20.00/ hour, foreman are $35.00/ hour, and operators are $44/ hour, find the unit cost of labor for excavation for this peoject. (S Points) 3. A supplier quotes $6/C for dry 2 gravel, loose. The quantity takeoff calls for 750 cy of backfill. Use a waste factor of 10s and find the total cost to supply this material. (5 Points)