A company producing paddle rackets has a priority to never miss due dates and if possible have no inventory. Consider that the daily schedule is 8 hours per day with the possibility of 2 extra hours per day per employee and the following demand forecasts: Each trimester has 66 working days and one unit requires 4 hours of work of one employee. The cost of a regular working hour is 10, of an extra hour 18 and keeping a unit in the facility for a month is estimated to cost 300. [Test: 4 points / Exam: 3 points] Deliver an aggregated plan that minimizes the company's costs. Case 4 [TEST \& EXAM] [Test: 3 points / Exam: 2 points] For the preparation of a 3-day international conference, the organizers want to synchronize the provision of beverages (food) with the operation of an independent bakery factory from 7 am to 5pm. All the buffets need to be updated throughout all day. It is estimated that 1800 units are needed per hour for the conference. The conference organization provides small trucks for the transport of the goods with an individual capacity of 600 units. The bakery is located 20min away from the conference hall. To prepare the truck for loading and unloading requires 2sec and 4sec accordingly per unit