Question

In: Operations Management

Use the Northwest Corner Rule to develop an initial solution to th transportation problem shown below....

Use the Northwest Corner Rule to develop an initial solution to th transportation problem shown below. Present your answer in the following format. A to 1 = Qty X, B to 2 = Qty Y, etc

WHS 1 WHS 2 WHS 3 Capacity

Factory A 400

Factory B   300

Factory C 500

Demand 300 500 400

Solutions

Expert Solution

As per Northwest Corner Rule, we will follow below approach

Step1:Identify the cell at North-West corner of the transportation matrix.

Step 2: Allocate as many units as possible to that cell without exceeding supply or demand. Then remove out the row or column that is exhausted by this assignment

Step 3: Reduce the amount of corresponding supply or demand which is more by allocated amount.

Step 4: Again identify the North-West corner cell of reduced transportation matrix.

Step 5:Repeat Step 2 and Step 3 until all the requirements are satisfied.

WHS 1 WHS 2 WHS 3 Capacity
Factory A 400
Factory B 300
Factory C 500
Demands 300 500 400

Start with north west corner for WHS 1 and Factory A capacity for allocation.

WHS 1 WHS 2 WHS 3 Capacity
Factory A 300 400
Factory B 300
Factory C 500
Demands 300 500 400

Then remove WHS 1 since demand is completed. 100 capacity from factory A is still left.

We move to next north west corner WHS 2 and factory A to start and then allocate as shown.

WHS 2 WHS 3 Capacity
Factory A 100 100
Factory B 300 300
Factory C 100 500
Demands 500 400

In the step we cater for WHS 3 as shown

WHS 3 Capacity
Factory C 400 400
Demands 400

Hence the optimal solution is

A to 1 = Qty 300

A to 2 = Qty 100,

B to 2 = Qty 300

C to 2 = Qty 100

C to 3 = Qty 400


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