BU395 Chapter 12: Chapter 12 - Answers to Problems.pdf
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12 - 1itemmonthly usageunit cost402150 ,4009402300 ,020405080 ,000 ,000 sort by monthly $ value:% of cumulmonthlymonthlyitemmonthly usageunit cost$ value$ valueclass44007,000 ,00048%a402150 ,400,00019%a68502,000 ,0008%b406640 ,0008%b23071958,4127%b405080 ,2003%c928010 ,020,2003%c3010400 ,0002%c9402300 ,6001%c6500150 ,0001%c,412. He/she could exert more control on a items and least on c items. For example, a items could be ordered daily, bs weekly, and cs monthly. 12 - 2itemunit costmonthly usagek34k35k36m10m20z45f14f95f99d45d48d52d57n08p05sort by monthly $ value:% of cumulmonthlymonthlyitemunit costmonthly usage$ value$ valueclassz45,00042%af95,00018%ak35,00011%ap05,0006%bf14,0004%bd45,5004%bk36,4004%bd57,8004%bk34,0001%cd52,6501%cm20,6001%cf99,2001%cn08,2001%cd48,0801%cm10%c,830c. It might be important for some reason other than dollar value, such as cost of a stock-out, sole sourcing, becoming obsolete, etc. = 139. 4 bags, round to 139: q / 2 = 139 / 2 = 69. 5 bags. 139 bags/order: tc = q/2 h + 139 (10) = 347. 5 + 349. 64 = . 14: using s = , eoq = D = 10/day 260 days/year = 2,600 packages/year. S = , h = : eoq , tc =
