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The purpose of a dummy row or column in an assignment problem is to.

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The purpose of a dummy row or column in an assignment problem is to.
  • AObtain balance between total activities & total resources
  • BPrevent a solution from becoming degenerate
  • CProvide a means of representing a dummy problem
  • DNone of the above
Correct answer: A
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Obtain balance between total activities & total resources

The purpose of a dummy row or column in an assignment problem is to obtain balance between total activities & total resources. Dummy rows (or columns) are added in the matrix so as to complete it to form a square matrix. The dummy rows or columns will contain all costs elements as zeroes. The Hungarian method may be used to solve the problem.