Answered: TOPIC 3 FORECASTING, SALES &…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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TOPIC 3 FORECASTING, SALES & OPERATIONS PLANNING|

What do you understand by;
I.qualitative and quantitative forecast method .

ii. the role of forecasting in supply chain management
iii. short range and Long range forecasts
Elaborate clearly for each answer.

b. Given the demand and forecast values shown in the following Table Q3b,

i.Determine the three-period moving average forecast for November.

ii. Analyze the exponential smoothing forecast for November using a = 0.35.

iii. Evaluate the forecast error for September.

C. Elaborate the purpose of sales & operation planning, and describe the S&OP process.

d. Calculate the available-to-promise for periods 1,3 and 5 for the Table Q3d below

Period
June
July
August
Demand
495
515
519
September 496
October 557
Forecast
Forecast Table Q3b
484
506
528
506
550

Periods
ON HAND = 50
Forecast
12 3 4
100 100 100
Customer orders
90
110
140
Master Production schedule 200
200
Available-to-promise
?
?
56
100
10
200
?
Table Q3d

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