LP : Definition of Variables
- r,v = cost /unit produced during regular time and overtime
respectively
- Pt, Ot = units produced during regular time and overtime,
respectively
- H,f = hiring and layoff costs per unit, respectively
- At, Rt = number of units increased or decreased, respectively,
during consecutive periods
- C = inventory costs [per unit per period
- Dt = sales forecast
- Mt, Yt = Available regular time and overtime capacities
respectively
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