A firm should consider vertical integration when the suppliers of the firm willingly cooperate with the firm (option B)
Vertical integration is when a company acquires another company in the same production line. e.g. a baker purchases a pastry distributing company
Vertical integration is usually undertaken to reduce the cost of production and it gives the acquiring firm a greater control of the production process.
A disadvantage of vertical integration is it can be very expensive and it reduces flexibility of firms.
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