What is the constraint associated with machine 2 for the following assignment problem?

Machine
1 2 3
A $3 $4 $2
Job B $1 $3 $5
C $6 $4 $2

Let Xij = 1 if job i is assigned to machine j, otherwise 0.

A) XA2 + XB2 + XC2 = +1
B) XA2 + XB2 + XC2 = 0
C) XA2 + XB2 + XC2 = -1
D) 4XA2 + 3XB2 + 4XC2 = +1
E) 4XA2 + 3XB2 + 4XC2 = -1


A

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