Question $12$

The three main areas in the value chain where significant differences in the costs of

competing firms can occur include

variable cost activities, fixed cost activities, and administrative activities.

production costs, sales and marketing costs, and the costs of support activities.

operating$-$level activities, functional area activities, and administrative activities.

the costs of internally$-$performed activities, the costs of activities performed by suppliers,

and the costs of activities performed in the forward part of the industry value chain

$($especially distribution$-$related activities$).$

depreciation costs, work force compensation costs, and marketing costs.

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