3. Assume that the actual demand for Vitz car engines during the five years operations are...
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3. Assume that the actual demand for Vitz car engines during the five years operations are summarized below: years 2016 2017 2018 2019 2020 | Number of ATOS engines sold 30 70 90 105 100 Required: - A. forecast the demand for the year 2021 and 2022 using trend projection method B. Using moving average method, forecast demand for the next year of 2021 4. An assembly is to be made from two parts X and Y. Both parts must be turned on a lathe and Y need not be polished. The sequence of activities together with their predecessors is given below: Activity Description Predecessor Activity Activity Time( Weeks) 1 Open work order Get material for X Get material for Y Turn X on Lathe A B A 5 A 2 3 E Turn Y on Lathe В, С 2 F Polish Y E 3 G Assemble X and Y D, F 4 H Pack G 3 Required: a) Draw the project network and identify all the paths. b) Determine the expected project length. c) Identify the critical path and critical activities. Part II: workout questions:- Answer the following workout questions by showing all the necessary steps. 1. Formulate demand forecasting equation using High-low demand foresting method by considering the following observations from 10 years data. Average House hold Income(X) Demand(Y) Highest observation 24 180 Lowest observation 16 120 2. A company has an investment costing $500 with the following expected net cash flows after tax and before depreciation. 12 3 4 5 Net Cash Flows 12 13 15 16 18 Required: Using 8% cost of capital determine the following and decide whether the Year project is accept or not. A. Payback period (PBP), B). Net Present value(NPV) C). Profitability Index 3. Assume that the actual demand for Vitz car engines during the five years operations are summarized below: years 2016 2017 2018 2019 2020 | Number of ATOS engines sold 30 70 90 105 100 Required: - A. forecast the demand for the year 2021 and 2022 using trend projection method B. Using moving average method, forecast demand for the next year of 2021 4. An assembly is to be made from two parts X and Y. Both parts must be turned on a lathe and Y need not be polished. The sequence of activities together with their predecessors is given below: Activity Description Predecessor Activity Activity Time( Weeks) 1 Open work order Get material for X Get material for Y Turn X on Lathe A B A 5 A 2 3 E Turn Y on Lathe В, С 2 F Polish Y E 3 G Assemble X and Y D, F 4 H Pack G 3 Required: a) Draw the project network and identify all the paths. b) Determine the expected project length. c) Identify the critical path and critical activities. Part II: workout questions:- Answer the following workout questions by showing all the necessary steps. 1. Formulate demand forecasting equation using High-low demand foresting method by considering the following observations from 10 years data. Average House hold Income(X) Demand(Y) Highest observation 24 180 Lowest observation 16 120 2. A company has an investment costing $500 with the following expected net cash flows after tax and before depreciation. 12 3 4 5 Net Cash Flows 12 13 15 16 18 Required: Using 8% cost of capital determine the following and decide whether the Year project is accept or not. A. Payback period (PBP), B). Net Present value(NPV) C). Profitability Index
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3 A Trend Eq y a bx Where y sales x year Normal Equation Equation 1 y na bx Equation 2 xy ax bx2 x xy x2 1 30 1 2 140 4 3 270 9 4 420 16 5 500 25 x 15 xy 1360 x2 55 Put values in Equation 1we get Equa... View the full answer
Related Book For
Managing Supply Chain and Operations An Integrative Approach
ISBN: 978-0132832403
1st edition
Authors: Thomas Foster, Scott E. Sampson, Cynthia Wallin, Scott W Webb
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