please give me the step by step solution, variables, constraints and answer. The assumed answer based on math solver is 60,300 so I would need the manual solution as to how did they get 60,300 2. Find the optimal solution for the transportation problem having the cost and requirement table below. Destination 1 2 3 4 5 Supply 1 100 150 200 140 35 400 Source 2 50 70 60 65 80 200 3 40 90 100 150 130 200 Demand 100 200 150 160 140