You are a Project Engineer on a large earth dam project that has a volume of 5x106 yd of select fill, compacted such that the final voids ratio in the dam is 0.80. Your boss, the Project Manager delegates to you the important decision of buying the earth fill from one of three suppliers. Which one of the three suppliers is the most economical, and how much will you save? Sells fill at $ 5.28/ yd with e = 0.90 Sells fill at $3.91/ yd with e = 2.00 Sells fill at $ 5.19/ yd with e = 1.60 Supplier A Supplier B Supplier C