Open the Excel file "Staff scheduling for Assignment $3.$"Identify and change the objective function to calculate the total payment for employees available on weekdays and weekends.Adjust the objective function in Solver to minimize the total payroll while meeting workforce requirements.Define the decision variables related to the number of employees starting their five$-$day shifts on various days.Set constraints to ensure that the minimum number of employees required each day is met.Consider integer constraints for the number of employees as they must be whole numbers.Use Solver in Excel to find an optimal schedule that minimizes the weekly payroll while ensuring workforce requirements are met.