An industrial recycling center uses to stamp uses two scrap aluminum metals, A and B to produce a special alloy. Scrap A contains 6% aluminum,3% silicon and 4% carbon. Scrap B has 3%aluminum 6%silicon 3% carbon. The costs per ton for a scraps A and B are $100 and $80,respectively.The spesicifications of the special alloy require that. By using Gams and Excel interpret the result.