Question $4(3$ points$)$

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The goal programming problem with the objective function min P$1($d$1+)+$P$2($d$2)$ is initially solved by the computer and the objective function value is $0.$ What constraint should be added for the second problem?

Question $4$ options:

A$)$

d$1+=0$

B$)$

d$1++$ d$2=0$

C$)$

$$d$1++$ d$2=0$

D$)$

d$1+<=0$