Aggregation in sales and operations planning is by groups of customers on the supply side and by product families on the demand side of the firm's supply chain.

False

Explanation:

It is the opposite case in terms of demand and supply

False

Aggregation in sales and operations planning is by product families on the supply side and by groups of customers on the demand side of the firm's supply chain.

Explanation:

The sales and operations planning process happens when upper management tries to align and synchronize the sales and production functions of the organization in order to gain competitive advantages. This is achieved by improving sales and marketing planning, and reducing unnecessary buildups of inventory.  

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