4. A casting company is considering the replacement analysis of a furnace. If it is bought from X factory, annual operating and maintenance costs will be 50.000 TL/year. It can be kept for 5 years. Purchase cost is 300.000 TL. Scrap Value is 15.000 TL. If furnace is bought from Y factory, annual operating and maintenance cost will be 30.000 TL/year. Economical life of this machine is same with X factory. Purchase cost is 250.000 TL and Scrap Value is 25.000 TL. If the capital cost is 25% for two factories, which one would you choose