please i need help with my homework

Problem 1. Given the cost of sending units through the transshipment problem in the table below. Capacity of Supply nodes are as follows: Node 1, 400 units, Node 2, 250 units and Node 3, 500 units. Requirements of demand nodes are as follows: Node 6, 330 units; Node 7, 260 units and Node 8, 420 units. 1- Draw the network of the transshipment problem 2 Show the detailed formulation of the problem 3 Find the optimal solution using the solver 4 5 5 7 s 1 20 25 4o 35 50 2 13 27 38 42 55 3 22 24 35 39 52 4 o 10 20 18 22 5 10 o 16 21 30 5 0 7 - - - 0 - 8 - - - - o Problem 2 Find the optimal solution of the following problem using the solver. Min 2 = 150x1 + 220x2 + 31Ox3 + 180m; s.t. 400m + 200x; + 150x3 + 500m 2 1500 4\" + an a 150 3x1 + 3x2 + 5x3 + 5x, a 180 3X1 + 5X2 + 2X3 + 6x4 2 150 _>