Transportation- CA final Costing

In A maximisation problem when to introduce dummy after conversion in minimisation or before conversion??
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Introduce Dummy,if necessary, after converting a Maximisation problem into a Minimisation problem.

Both ways you can do

No.You cannoy do both ways. If you first do Balancing the matrix by introducing a dummy row or column having 0 value and then do conversion of a Maximisation matrix into a Minimisation matrix by subtracting all numbers from the highest number, you will also subtract the dummy 0s & as a result the matrix values will change at stage 2 itself leading to a wrong answer.

https://youtu.be/Qgk7le2-y9s check this

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