honey is trying to determine a production plan for the next 12 months. The main criterion for this plan is that the employment level is to be held constant over the period. Manufacturing cost is $140 per set, equally divided between materials and labor. The inventory storage cost is $7 per month. A shortage of sets results in lost sales and is estimated to cost an overall $25 per unit short. Assume 23 working days each month. 8 hours per day. The inventory on hand at the beginning of the planning period is 140 units. Fourteen labor hours are required per videodisc player. The number of workers required is