In road construction, the length of the economic haul was determined to be at station 100+111 whose area is17.01 square

[answerhappygod]

In road construction, the length of the economic haul was
determined to be at station 100+111 whose area is17.01 square
meters, and station 100+428 whose area is 23.99 square meters. If
the length of the free haul distance is 50m, determine the volume
of the overhaul in cubic meters. Please take note that the distance
from the balance station to both two stations is equal. Numerical
answer only no units necessary.
the cost of borrow is 420 pesos per cu.m, cost of excavation is
350 pesos
per cu.m and the cost of haul is 21 pesos per meter station.