0.436 tons of cement. 1. 143. Gravel and sand. 0.6 16 ton is the cost of c25 concrete. 1 m3.
The cost of 1 meter is 0.436 * 440+1.143 *160+0.616 * 220 = 510.24.
0.9*5 10.24= about 460 cost.
Take 1m and earn 140. It's not good to think too much about other things.
You can calculate the cost of other small excavators, road rollers, transport vehicles, plus labor wages, electricity bills and a series of small things.
140* How many meters are repaired (small excavators, road rollers, transport vehicles, plus the cost of a series of small things such as labor wages and electricity charges)
Is to make money.