Production and Operations Analysis, Seventh Edition
7th Edition
ISBN: 9781478623069
Author: Steven Nahmias, Tava Lennon Olsen
Publisher: Waveland Press, Inc.
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Chapter 3.1, Problem 6P
Summary Introduction
To Explain:The compromises between using financial terms (dollars) and sales volumes in cumulative sales and operations planning.
Introduction:As it is impossible to keep a track of individual units of stock in planning sales and operations, it is usually given in terms of batches or families. Companies often use monetary values (dollars) or sales volume (quantity) as the unit of such aggregation.
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10. Mention and describe what each of the 4 types of approaches to demand analysis discussed in class consists of.
What are the trade-offs between using revenue dollars versus sales quantities asthe units in the aggregate S&OP plan.
Dara Jones, operations manager of Arrow Distributing Corp., likes to track inventory
by using weeks of supply as well as by inventory turnover.
Arrow Distributing Corp.
Net Revenue
$16,680
Cost of sales
$13,980
Inventory
$1,020
Total assets
$8,360
a) What is its weeks of supply?
decimal places).
weeks (round your response to two
b) What percentage of Arrow's assets are committed to inventory?
response as a percentage rounded to two decimal places).
c) What is Arrow's inventory turnover?
decimal places).
% (enter your
times per year (round your response to two
d) Suppose a manufacturer has an inventory turnover of 13.5 times per year. Arrow's
supply chain performance relative to the manufacturer's, as measured by
inventory turnover, is
better
worse
the same
Chapter 3 Solutions
Production and Operations Analysis, Seventh Edition
Ch. 3.1 - Prob. 1PCh. 3.1 - Prob. 2PCh. 3.1 - Prob. 3PCh. 3.1 - Prob. 4PCh. 3.1 - Prob. 5PCh. 3.1 - Prob. 6PCh. 3.2 - Prob. 7PCh. 3.2 - Prob. 8PCh. 3.2 - Prob. 9PCh. 3.2 - Prob. 10P
Ch. 3.2 - Prob. 11PCh. 3.2 - Prob. 12PCh. 3.3 - Prob. 13PCh. 3.3 - Prob. 14PCh. 3.3 - Prob. 15PCh. 3.3 - Prob. 16PCh. 3.4 - Prob. 17PCh. 3.4 - Prob. 18PCh. 3.4 - Prob. 19PCh. 3.4 - Prob. 20PCh. 3.4 - Prob. 21PCh. 3.4 - Prob. 22PCh. 3.4 - Prob. 23PCh. 3.5 - Prob. 26PCh. 3.5 - Prob. 27PCh. 3.6 - Prob. 29PCh. 3.6 - Prob. 30PCh. 3 - Prob. 31APCh. 3 - Prob. 32APCh. 3 - Prob. 33APCh. 3 - Prob. 34APCh. 3 - Prob. 35APCh. 3 - Prob. 36AP
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- Over the past 12 months, Super Toy Mart has experienced a demand variance of 10,250 units and has produced an order variance of 12,050 units. Part 2 a) The bullwhip measure for Super Toy Mart is ______ (round your response to two decimal places). Part 3 b) If Super Toy Mart had made a perfect forecast of demand over the past 12 months and had decided to order 1/12 of that annual demand each month, the bullwhip measure would have been ______ (round your response to the nearest whole number.)arrow_forwardUse a mixed strategy - level of procuction (Jan-June) and chase demand (July- September with a support of overtime and sub-contracting not more than two workers and no limid for back orders. Jan 1000 Feb 2750 March 1250 April 1500 May 2250 June 1750 July 2750 August 2250 Sept 2500 Current work force 10 workers Production per worker Inventory holding cost Regular wage rate Overtime wage rate Sub-contracting wage rate Back-ordering wage rate Hiring cost Firing cost Beginning inventory 250 units per month S0.50 per unit per month $50.00 per unit S60.00 per unit $70.00 per unit $90.00 per unit $500 per worker S800 worker per 250 units Mth Regular Production Ending Back Order Demand OT S/k Workers Inventory J F M A. M J J Total Kos (Cost:arrow_forwardC). Given the following data, calculate a level production plan, quarterly ending inventory, and average quarterly inventory. If inventory carrying costs are $6 per unit per quarter, what is the annual carrying cost? Opening and ending inventory are zero. Quarter 1 Quarter 2| Quarter 3 Quarter 4 Totals Forecast Demand 5000 7000 8500 9500 Production Ending Inventory Average Inventory Inventory Cost If the company always carries 100 units of safety stock, what is the annual cost of carrying it? D) Perform an ABC analysis on the following set of products. Annual Item Demand Unit Cost A211 800 $9 B390 100 $90 C003 450 $6 D100 400 $100 E707 85 $2,000 F660 250 $320 G473 500 $75 Н921 100 $75arrow_forward
- Over the past 12 months, Super Toy Mart has experienced a demand variance of I 0,000 units and has produced an order variance of 12,000 units.a) What is the bullwhip measure for Super Toy Mart?b) If Super Toy Mart had made a perfect fo recast of demandover the past 12 months and had decided to order 1/ 12 of thatannual demand each month, what would its bullwhip measurehave been?arrow_forwardDara Jones, operations manager of Arrow Distributing Corp., likes to track inventory by using weeks of supply as well as by inventory turnover. Arrow Distributing Corp. Net Revenue Cost of sales Inventory Total assets $16,480 $14,740 $1,010 $9,220 a) What is its weeks of supply? weeks (round your response to two decimal places). b) What percentage of Arrow's assets are committed to inventory? % (enter your response as a percentage rounded to two decimal places). c) What is Arrow's inventory turnover? times per year (round your response to two decimal places). d) Suppose a manufacturer has an inventory turnover of 13.5 times per year. Arrow's supply chain performance relative to the manufacturer's, as measured by inventory turnover, isarrow_forwardDara Jones, operations manager of Arrow Distributing Corp., likes to track inventory by using weeks of supply as well as by inventory turnover. Arrow Distributing Corp. $17,300 $14,230 $1,100 $8,440 a) What is its weeks of supply? weeks (round your response to two decimal places). b) What percentage of Arrow's assets are committed to inventory? % (enter your response as a percentage rounded to two decimal places). c) What is Arrow's inventory turnover? times per year (round your response to two decimal places). d) Suppose a manufacturer has an inventory turnover of 13.5 times per year. Arrow's supply chain performance relative to the manufacturer's, as measured by inventory turnover, is Net Revenue Cost of sales Inventory Total assetsarrow_forward
- 1. Using the data provided here for problem 1. Calculate the following: 6 7 8 | 9 Week Demand 1| 2 3 4 5 2554 2333 4678 4525 2243 2988 2301 3777 3245 2122 2987 2487 2567 10 11 12 13 a. Average weekly demand. b. Target inventory for 98% Inventory Service Level for this period if you get replenished with new inventory every two weeks. Formulas used: a. b.arrow_forwardSupply/Demand Info Predicted Sales Regular production Overtime production Subcontract production Ending inventory Hired employees Fired employees Total employees Cost variables are as follows: Cost Variables Labor cost/hour Overtime cost/ton Subcontracting costiton Holding cost ton/month Hiring cost employee Firing cost/employee Beginning Apr May 4,200 531 $20 $32 $25 $10 $3.700 $4.000 Jun 51,500 50.300 61,600 Here is some additional relevant (capacity) information: Capacity Information Total labor hours/ton Regular production tons/employee/month Max regular production (tons/month) Max overtime production (tons/month) Max subcontractor production (tons/month) 3 100 56,700 3,700 6,000 Jul Aug Sep 45,400 56.600 62,800 Given the above information (and don't overlook beginning number of employees and inventory levels in the first table), create a LEVEL production plan with only the use of regular production and no inventory left over at the end of the six-month period. What is the regular…arrow_forward11. Provide an example for each type of approach to demand analysis.arrow_forward
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