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a. Using your own words, elaborate on the main differences between top-down planning and bottom-up planning. (5 points) b. What are the advantages to a firm of coordinating its S&OP process with key supply chain partners? What are the potential drawbacks? (5 points) c. Consider the following sales forecast for products A, B, and C: Sales Forecasts MONTH Duly THIETURNAULT MET 1.050 August FAN UNERK 1.100 VA EDITION 1.080 ATLETIKY VANUVIA VAR1.050 LANTAI 1.150 TT BRIN 1.250 September October TO November December . . Planning values: Each unit of product A takes 1.2 labor hours, while each unit of product B takes 2.8 hours, and each unit of product C takes 4.2 hours. . PRODUCT A PRODUCT BY 800 LAS PRODUCT CO VARAT 30 A 750 MATERIAL WAYAN 150 AN 810 HVMAN PUNGIGI WAN 170 MONN 780 H NANAYA 180 WI VAGY 750 TAVAWEI QUAD 150MMEMI BAUE 850 VA 130M WW What is the combined (aggregate) sales forecast for combinations of the 2 products based on the following rules. (4 points) 1 2 3 4 5 The combination is based on your last digit of Student ID, and consult this table: Last Digit Combination Combination Last Digit Student ID Student ID A & B B&C A&C A & B B & CHAT TAYUARI8 9 0 A & C A & B NTB & C HAUEN A & C A & B If this were the only information you had, would you expect resource requirements to increase or decrease from July to December? (2 points) Use the planning value information to calculate total labor hour requirements in each month of the 2 products. Compare your calculation to your answer of the previous part. (2 points) Would top-down palling or bottom-up planning be better sulted to S&OP in this situation? Explain! (2 points)