Consider the Portion of the Sensitivity Analysis Report That Follows

Consider the portion of the sensitivity analysis report that follows.The current optimal solution will not change as long as the objective coefficient of X₁ is within the range of ______. $$\begin{array} { | l | l | l | l | l | l | l | } \hline \text { Cell } & \text { Name } & \begin{array} { l } \text { Final } \\\text { Value }\end{array} & \begin{array} { l } \text { Reduced } \\\text { Cost }\end{array} & \begin{array} { l } \text { Objective } \\\text { Coefficient }\end{array} & \begin{array} { l } \text { Allowable } \\\text { Increase }\end{array} & \begin{array} { l } \text { Allowable } \\\text { Decrease }\end{array} \\\hline \text { \$F\$6 } & \begin{array} { l } \text { Shirt } \\\text { (X1) }\end{array} & 24 & 0 & 5 & 4 & 1 \\\hline \text { \$G\$6 } & \begin{array} { l } \text { Pants } \\\text { (X2) }\end{array} & 84 & 0 & 6 & 1.5 & 2.666667 \\\hline\end{array}$$

A) 4 to 9
B) 1 to 4
C) 5 to 9
D) 3 to 6