Case Study: Kristen’s Cookie Company Key questions to answer before you launch the business: 1) How long will it take you to fill a rush order? If we consider that one order is a dozen‚ the flow time is 26 minutes for the first order. 2) How many orders can you fill in a night‚ assuming you are open four hours each night? (4 hours = 240 minutes) If we consider that one order is a dozen‚ it will take me: * For the first order: 26 minutes * For the second order: 20 minutes
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Case Report : Kristen’s Cookie Company (A1) [pic] Key Questions 1. To know the time it will take us to fill a rush order‚ we have to know how many dozens the rush order requires. If it is only one dozen‚ we need 6 minutes for the washing and mixing steps‚ 2 minutes for the spooning‚ 10 minutes for the whole baking‚ 5 minutes to cooling down‚ 2 minutes for the packing and 1 minute for the payment. That is to say : 26 minutes. If we consider the order requires N dozens : we always need
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Kristen’s Cookie Co 1. How long will it take for you to fill a rush order? It would take the team 26 minutes. The rush order itself of would require 7 steps as follows (the total cycle time is listed in parentheses): Clean Bowl‚ Add ingredients‚ and Mix (06:00 mins) Dish Cookies onto Tray* (02:00 mins) Put Cookies in Oven‚ Set Timer & Temp*(01:00 mins) Baking * (09:00 mins) Remove cookies and cool (05:00 mins) Bag cookies* (02:00 mins) Accept payment (01:00
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time for customers to get there order: Negligible for ready “popular” cookies & comparatively lesser for ‘special’ make to order cookies. • Customer Satisfaction: Customers will be happy to get there orders quickly. • Number of cookies: More number of popular & make to order cookies can be served. • Work pressure: Make-to-stock system will reduce the work pressure due to less of a time concern. • Make-to-stock system: Since process is independent of client orders‚ more cookies can be made in less
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1. How long will it take you to fill a rush order? Action Needed Time in min Clean Bowl‚ Add ingredients‚ and Mix 6 Dish Cookies onto Tray* 2 Put cookies in Oven‚ Set Timer & Temp. 1 Baking* 9 Remove cookies and cool 5 Bag cookies* 2 Accept payment 1 Total 26 * Per dozen cookies 2. How many orders can you fill in a night‚ assuming you are open four hours each night? If we use the capacity of the mixing bowl‚ which
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system: A: Take Order – Food – Deliver – Bill → 4 + 18 + 12 + 2 = 36 mins B: Take Order – Wine – Deliver – Bill → 4 + 4.8 + 12 + 2 = 22.8 mins C: Take Order – Cart – Deliver – Bill → 4 + 10 + 12 + 2 = 28 mins Path A is critical so the TFT is 36 minutes [c]. The flow time efficiency is 36/60 = 60% Problem 4.2 [a] The flow chart of the process is as shown in Figure TM-4.1. Figure TM-4.1. Flow chart of the Kristen Cookies Process flow Flow unit = 1 order of 1 dozen the theoretical
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Questions: 1. How many orders can you fill in a night‚ assuming you are open four hours each night‚ and each order consists of only one dozen cookies? 2. If there are two ovens available for the production process‚ how many mixers are needed to maximize the production rate if each order consists of one dozen cookies. each order consists of three dozen cookies. Answers: 1. Capacity of different stages: Mixing: 10 orders per hour Cooling: unlimited Oven: 6 orders per hour Capacity of
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long will it take you to fill a rush order? Time taken to fill a rush order = MLT = 6 + 2 + 10 + 5 + 2 + 1 = 26 minutes 2. How many orders can you fill in a night‚ assuming you are open four hours each night? 4 hours per each night = 4 hours * 60 minutes = 240 minutes Cycle Time = The Duration of the bottleneck = (Setting thermostat and Timer) + (Baking Cookies) = 1 minute + 9 minute = 10 minutes Maximum no of orders we can fill in a night = (No of
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Kristen’s Cookie Company Case Study and Analysis Forecasting and Operations Management Saint Mary’s College of California Executive MBA Program Jessica Marie – www.jessicamariemba.com Kristen’s Cookie Company Agenda Introduction and Preliminary Modeling Key Questions and Problems for Further Thought Recommendations for Improvement Q & A Session and Discussion Kristen’s Cookie Company Introduction Kristen’s Cookie Company Mission Statement: Born from a hunger to feed the student
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5. Yes. If Kristen and roommate can only do their own job‚ the max order(order by order) they can process is 8 orders a night. But if they can cross-training‚ would 1. Receive order print and reply Roommate 1 minute/order Mix ingredients Kristen 6 minutes /max 3trays Spooning cookies onto tray Kristen 2 minutes/tray Cookies in oven Roommate 10 minutes/tray Cool down cookies
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