E-Materials (M) Sdn. Bhd. is well established, specializing in protective coating and adhesive for electronics, LED, automotive and solar industry. E-Materials also offer extensive supports to all their customers manufacturing requirement including application consultancy, technical support and affordable solutions. Recently, they have planned to upgrade their solar glass coating machine from semi-automated to fully automated system. [E-Materials (M) Sdn. Bhd. merupakan syarikat yang mantap, mengkhusus dalam salutan pelindung dan pelekat untuk industri elektronik, LED, automotif dan solar. E-Materials juga menawarkan sokongan yang meluas kepada semua keperluan pembuatan pelanggan-pelanggan mereka termasuk perundingan aplikasi, sokongan teknikal dan penyelesaian mampu milik. Baru-baru ini, mereka telah merancang untuk menaik taraf mesin salutan kaca solar mereka daripada sistem separa automatik kepadasistem automatik sepenuhnya.] a) The plant manager must decide between two different solar coating machines. Machine A will have a first cost of RM42,000, an annual operating cost of RM28,000, and a service life of 4 years. Machine B will cost RM51,000 to buy and will have an annual operating cost of RM17,000 during its 4-year life. At an interest rate of 10% per year, which should be selected on the basis of a present worth analysis? [Pengurus kilang perlu membuat keputusan antara dua mesin salutan kaca solar yang berbeza. Mesin A akan mempunyai kos pertama sebanyak RM42,000, kos operasi tahunan sebanyak RM28,000, dan hayat perkhidmatan selama 4 tahum. Mesin B pula akan berharga RM51,000 dan mempunyai kos operasi tahunan sebanyak RM17,000 selama hayat 4 tahun. Jika kadar faedah adalah 10% setahn, mesin yang manakah sepatutnya dipilih berdasarkan analisa nilai semasa? J (8 Marks/Markah) b) The plant engineer is also considering two solar module packing robots for purchase. Robot Y will have a first cost of RM80,000, an annual maintenance and operation (M&O) cost of RM30,000, and a RM40,000 salvage value. Robot Z will have a first cost of RM97,000, an annual M\&O cost of RM27,000 and a RM50,000 salvage value. Which should be selected on the basis of a future worth comparison at an interest rate of 15% per year? Use a 3-year study period. [Jurutera loji tersebut juga sedang mempertimbangkan dua robot pembungkusan modul solar untuk dibeli, Robot Y akan mempunyai kos pertama sebanyak RM80,000, kos selenggaraan dan operasi (M\&O) tahunan sebanyak RM30,000 dan nilai sisaan sebanyak RM40,000. Robot Z pula akan bernilai RM97,000, kos M\&O tahunan sebanyak RM27,000 dan nilai sisaan sebanyak RM50,000. Berdasarkan perbandingan nilai hadapan pada kadar faedah 15% setahun, robot yang manakah patut dipilih? Gunakan masa kajian selama 3 tahun.]