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Dia berpikir bahwa dengan mengubah cat digunakan untuk fitur wajah dan kuku bahwa dia dapat meningkatkan tingkat ke 360 boneka per hari. Apa yang akan menjadi dampak pada produktivitas jika ia membeli perangkat? Masalah 3: Joanna Prancis saat ini sedang bekerja total 12 jam per hari untuk memproduksi 240 boneka. Ia akan, bagaimanapun, harus menghabiskan satu jam ekstra setiap pagi menyesuaikan perangkat diagnostik komputerisasi. Apa adalah produktivitas sehari-hari (asumsikan satu hari jam 8)? Mr Ratchet percaya bahwa dia dapat membeli perangkat komputer pemecahan masalah kecil, yang akan memungkinkan dia untuk menemukan dan memperbaiki masalah di luar biasa (setidaknya kepada pelanggannya!) Waktu 1 jam. Apa yang akan menjadi dampak pada produktivitas (diukur dalam meter persegi per tenaga kerja-jam) jika ia membeli kapas mentah berkualitas tinggi? Masalah 2:ĬA Ratchet, mekanik mobil lokal, menemukan bahwa biasanya membawanya 2 jam untuk mendiagnosa dan memperbaiki masalah khas. Ia percaya bahwa ia dapat membeli kapas yang lebih baik baku mutu, yang akan memungkinkan dia untuk menghasilkan 1.200 meter persegi per ton kapas mentah dengan jam kerja yang sama. Setiap ton kapas mentah membutuhkan jam kerja 5 untuk diproses. Praktek Masalah: Bab 1, Operasi dan Produktivitas Masalah 1: Mance Fraily, Manajer Produksi di Ralts Mills, saat ini dapat mengharapkan operasi untuk menghasilkan 1000 meter persegi kain untuk setiap ton kapas mentah. French would experience a decrease in multifactor productivity.
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It follows then that the new paint could raise Materials cost by no more than approximately $0.27 (the difference between $3.77 and $3.50) before Ms.
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We want to know how high the material cost could go, using the new paint, before the productivity drops to the current level of 0.24. If the material costs increase by $0.50 per doll:įrom the answer to Problem 3 we know the following: 2Ĩ hours per day = 4 problems per day 2 hours per problemħ hours per day = 7 problems per day 1 hour per problem French’s material costs increase without reducing total (multifactor) productivity?ġ000 sq yds = 200 sq yds per hour 1 ton*5 hoursġ200 sq yds = 240 sq yds per hour 1 ton * 5 hours Problem 5: If she uses the new paint, by what amount could Ms. French’s material costs by $0.50 per doll? Problem 4: How would total (multifactor) productivity change if using the new paint raised Ms. Viewing this from a total (multifactor) productivity perspective, what is her productivity at present and with the new paint? Total material cost for each doll is approximately $3.50 she has to invest $20 in the necessary supplies (expendables) per day energy costs are assumed to be only $4.00 per day and she thinks she should be making $10 per hour for her She thinks that by changing the paint used for the facial features and fingernails that she can increase her rate to 360 dolls per day. Problem 3: Joanna French is currently working a total of 12 hours per day to produce 240 dolls. What will be the impact on his productivity if he purchases the device? He will, however, have to spend an extra hour each morning adjusting the computerized diagnostic device. Ratchet believes he can purchase a small computer trouble-shooting device, which will allow him to find and fix a problem in the incredible (at least to his customers!) time of 1 hour. What is his daily productivity (assume an 8 hour day)? Mr. Ratchet, the local auto mechanic, finds that it usually takes him 2 hours to diagnose and fix a typical problem. What will be the impact on productivity (measured in square yards per labor-hour) if he purchases the higher quality raw cotton? He believes that he can buy a better quality raw cotton, which will enable him to produce 1200 square yards per ton of raw cotton with the same labor hours. Each ton of raw cotton requires 5 labor hours to process. SOAL DAN JAWABAN: MANAJEMEN OPERASIONAL Dari buku Manajemen Operasional oleh Render, Barry and Jay Heizer, Principles Of Operations Management, Prentice Hall, 9th edition.Ĭhapter 1, Operations and Productivity Problem 1: Mance Fraily, the Production Manager at Ralts Mills, can currently expect his operation to produce 1000 square yards of fabric for each ton of raw cotton.