1. Star123 sells vacuum cleaners at unitary price of 1.000 , with a volume of 2.000/year. There is a component X that could be bought outside. Star123 receives a bid for it at 50. If the company incurred the following costs in the previous year, decide if it is convenient to produce internally or to buy outside. Referred to 2.000 pieces Raw material 20.000 Packaging 2.500 Direct labour 50.000 Depreciation 10.000 Industrial costs 8.000 Administrative costs 6.000 Additional information: Direct labour referred to 5 workers: 2 of them will retire, I will be moved to the production of component Y; I will decide to become a part time worker at 60 %, staying in the production of vacuum cleaners: the last one is impossible to place, due to the lack of competence required to be employed in other departments Depreciation refers to a machine dedicated to component X; if "buy", the machine will be reused in department Y, with a total evaluation of 48.000 and a residual life of 6 years Industrial costs are referred to the whole plant Administrative costs are spread out on the product using raw material as cost driver