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Length: 1536 (0x600)
Types: TextFile
Names: »PRODPL.MOD«
└─⟦6ae1c04a5⟧ Bits:30004364 SW1656 IFPS/Personal Version 2.10 release 1.1
└─ ⟦this⟧ »PRODPL.MOD«
COLUMNS 1..12
ØØ
ØØ This model uses the marketing sales forecast as input
ØØ to plan production and inventory for the next 12 months.
ØØ
ØØ MARKETING INPUT:
SALES FORECAST=DATA
MONTHLY SMOOTHING FACTOR=DATA
ØØ
ØØ PRODUCTION PLANNING:
SALES PER MONTH=SALES FORECAST * MONTHLY SMOOTHING FACTOR
BEG INVENTORY=DATA,PREVIOUS ENDING INVENTORY
ENDING INVENTORY=BEG INVENTORY+PRODUCTION-SALES PER MONTH
ENDING INVENTORY GOAL=FUTURE SALES PER MONTH FOR 11,PREVIOUS
PRODUCTION=MINIMUM(PRODUCTION REQUIRED,PRODUCTION AVAILABLE)
PRODUCTION REQUIRED=(ENDING INVENTORY GOAL - BEG INVENTORY) + '
SALES PER MONTH + BUFFER REQUIRED + BACKLOG
BUFFER REQUIRED=SUBJECTIVE FACTORS + PEAK SEASON ADJUSTMENTS
BACKLOG=MAXIMUM(BACKLOG CALC,0)
BACKLOG CALC=PREVIOUS PRODUCTION REQUIRED - PREVIOUS PRODUCTION + '
PREVIOUS BACKLOG
TOTAL BACKLOG=BACKLOG + PREVIOUS
PEAK SEASON ADJUSTMENTS=IF FUTURE MONTHLY SMOOTHING FACTOR .GE. .10 '
THEN ADJUST ELSE 0
ADJUST=PEAK SEASON FACTOR * FUTURE SALES PER MONTH
OPERATING COSTS=(PRODUCTION COST FACTOR*PRODUCTION) + '
(BACKLOG * LOST SALES PCT * LOST SALES EXPENSE)
ØØ
ØØ ENGINEERING OR TECHNICAL INPUT:
PRODUCTION AVAILABLE=MANUFACTURING CAPACITY CONSTRAINTS
MANUFACTURING CAPACITY CONSTRAINTS=DATA
PRODUCTION COST FACTOR=DATA
SUBJECTIVE FACTORS=DATA
PEAK SEASON FACTOR=DATA
LOST SALES PCT=DATA
LOST SALES EXPENSE=DATA
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