For a discrete random variable, 
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Definitions:
Maximize Profits
The process of increasing the financial gain from business activities to the highest possible level.
Product Availability
The extent to which goods are in stock and accessible for purchase by consumers.
Postponement
A strategy that involves delaying the final activities in the provision of a product until after receiving a customer order, helping to reduce inventory and improve customization.
Variety of Products
A wide range of different products offered by a company to meet diverse customer needs or preferences.
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