A linear programming computer package is needed.

poor customer service and the potential loss of customers.

in the following table.

number of call$-$center employees who start work on day i where $i=1=$ Monday, $i=2=$ Tuesday, etc$).$

Find the optimal solution.

$(x_1,x_2,x_3,x_4,x_5,x_6,x_7)=$

Give the number of call$-$center employees that exceed the minimum required.