production and operation management (inventory management)

Pengilang mainan membuat motor angin sendiri, yang kemudian dimasukkan ke dalam mainannya. Sementara proses pembuatan mainan berterusan, motor adalah aliran sekejap. Data mengenai pembuatan motor tertera di bawah A toy manufacturer makes its own wind-up motors, which are then put into its toys. While the toy manufacturing process is continuous, the motors are intermittent flow. Data on the manufacture of the motors appears below. Tempahan tahunan / Annual demand (D) = 50,000 units Kadar pengeluaran pemasangan harian / Daily subassembly production rate = 1,000 Kadar penggunaan subassembly / Daily subassembly usage rate = 200 Kos persediaan / Setup cost (S) = $85 per batch Kos pegangan / Carrying cost = $.20 per unit per year Kirakan / calculate: i. Kuantiti pesanan optimum / optimal order quantity (3 markah/marks) ii. Bilangan hari diperlukan untuk menghasilkan kumpulan produk (1 markah/marks) Number of days are required to produce a batch