Loose Leaf for Operations Management in the Supply Chain: Decisions and Cases 7e
Loose Leaf for Operations Management in the Supply Chain: Decisions and Cases 7e
7th Edition
ISBN: 9781260151954
Author: SCHROEDER, Roger G
Publisher: McGraw-Hill Education
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Chapter 14, Problem 8P

An electronics retailer carries a particular cellular telephone with the following characteristics:

Average monthly sales = 120 units

Ordering cost = S25 per order

Carrying cost = 35 percent per year

Item cost = S300 per unit

Lead time = 4 days

Standard deviation of daily demand = .2 unit

Working days per year = 250

  1. a. Determine the EOQ.
  2. b. Calculate the reorder point for a 92 percent service level, assuming normally distributed demand.
  3. c. Design a Q system for this item.
  4. d. What happens to the reorder point when the lead time changes? What happens to the reorder point when the standard deviation of demand changes?
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An electronics retailer carries a particular cellular telephone with the following characteristics:Average monthly sales = 120 unitsOrdering cost = $25 per orderCarrying cost = 35 percent per yearItem cost = $300 per unitLead time = 4 daysStandard deviation of daily demand = .2 unitWorking days per year = 250a. Determine the EOQ.b. Calculate the reorder point for a 92 percent service level, assuming normally distributed demand.c. Design a Q system for this item.d. What happens to the reorder point when the lead time changes? What happens to the reorder point when the standard deviation of demand changes?
Petromax Enterprises uses a continuous review inventorycontrol system for one of its SKUs. The following informationis available on the item. The firm operates 50 weeks in a year.Demand = 50,000 units>yearOrdering cost = $35>orderHolding cost = $2>unit>yearAverage lead time = 3 weeksStandard deviation of weekly demand = 125 unitsa. What is the economic order quantity for this item?b. If Petromax wants to provide a 90 percent cycle-servicelevel, what should be the safety stock and the reorder point?
Your objective is to help company by determining EOQ* (Economic Order Quantity) that minimizes the totalinventory cost for a company that sells ceiling fans. Your worksheet provides information about the currentorder quantity, demand quantity and other costs.Questions: Answer A and Ba. With the current order quantity, what is the total cost of inventory?b. Implement the problem in Excel and find the order quantity (EOQ) (round to nearest integer) that givesminimum inventory cost. Note: this is a Non-linear programming, hence select “GRG Nonlinear” method inSolver- How much money would company save by switching to optimum quantity from current orderquantity?
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