Solve this in operations research

First Formulate, then find the Initial Basic Feasible Solution (IBFS) for the following Transportation Models using: North-West Corner method - Least Cost Cell method - Vogel's Approximation method - After, apply the U-V method to obtain the optimal solution using the best starting solution obtained initially 2. M1 M2 M3 Supply S1 8 7 5 40 S2 9 1 40 S3 4 6 40 Demand 20 80 20 120