A proposed embankment fill requires 5000 m3 of compacted soil. The void ratio of the compacted fill is specified as 0.75. Soil can be transported from one of the four borrow pits as described in the following table. The void ratio, specific gravity of soil solids, and the cost per cubic meter for moving the soil to the proposed construction site are provided in the table.
a. Determine the volume of each borrow pit soil required to meet the specification of the embankment site
b. Make necessary calculations to select the borrow pit which would be most cost effective.

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Borrow plt Vold ratlo Cost (S/m2) 0.8 0.9 1.1 0.85 G, 2.65 2.68 2.71 2.74 10