Material costs, machinery costs, management costs, labor costs accounted for the proportion of construction projects
5, travel expenses, property insurance, 6, 7, 8, engineering maintenance fees, sewage charges, 9, labor protection fees, inspection fees, 10 test, 11, outside the unit management fee, 12, finishing materials and sporadic freight, 13, material shortage and damage
(1) labor costs (2) materials (3) mechanical royalties (4) other direct costs (5) subcontract cost (6) indirect costs: indirect costs under the following item: 1, 2, management staff salaries, employee benefits, costs 3, fixed assets 4, low value consumable amortization, office expenses,
