2. The Metalco company desires to blend a new alloy of 40 percent tin, 35 percent zinc, and 25 percent lead from several available alloys having the following properties Alloy4 20 Property Alloyl Percentage 60 of tin Percentage 10 of zinc Percentage 30 of lead cost (S/lb) 22 Alloy2 25 Alloy3 Alloy5 50 45 45 10 15 50 40 60 30 10 20 25 24 27 The objective is to determine the proportion of these alloys that should be blended m cost to produce the new alloy at a minimu (a) Formulate a linear programming model for this problem. (b) Solve the model using Python and Gurobi