A large distribution center must develop a staffing plan that minimizes the total cost using part-time workers. Use chase and level strategy and compute the total cost. Inputs Period 1 2 4 5 Forecasted demand (Number of part-time workers 6. 12 18 15 13 14 Each period is 20 hours. From the beginning manager has 10 part-time workers. The distribution center can hire new part-time workers in any period, but no more than 10. Overtime can not exceed 20 percent of the regular time (that is 4 hour) in any period. The following costs can be assigned: Regular time: 2000 dollars per period (period = 20 hour). Overtime: 150 percent of the regular time. Hires: 1000 dollar per person. Layoffs: 500 dollars per person.