At the optimal solution, which statement is CORRECT about X$1($As previously defined, X$1$ is the number of voters who are Democrats and from the City interviewed$)?$

Question $12$ options:

$200<$ X$1<=300$

$100<$ X$1<=200$

$500<$ X$1<=600$

$400<$ X$1<=500$

X$1>600$

X$1<=100$

$300<$ X$1<=400$