Consider this LP formulation: Minimize cost = $X + 2Y X +3Y ≥ 90 8X + 2Y ≥160 3X + 2Y ≥ 120 Y≤70 X, Y≥ 0 Graphically illustrate the feasible region and apply the isocost line procedure to indicate which corner point produces the optimal solution. What is the cost of this solution?