A linear programming computer package is needed. \begin{tabular}{|l|c|} \hline Day & Minimum Number of Employees Needed \\ \hline Monday & 85 \\ \hline Tuesday & 45 \\ \hline Wednesday & 40 \\ \hline Thursday & 55 \\ \hline Friday & 90 \\ \hline Saturday & 70 \\ \hline Sunday & 45 \\ \hline \end{tabular} The call-center employees work five consecutive days and then have two consecutive days off. An employee may start work any day of the week. Each call. to meet the minimum requirements. (Let xi= the number of call-center employees who start work on day i where i=1= Monday, i=2= Tuesday, etc)