Selling over the internet and maintaining a physical distribution network is an example of a distribution channel. Option a. is correct.
It corresponds to the method used by companies to ensure that their product or service reaches the final consumer in the right quality, time and quantity. That is, the distribution channel is the way companies use to deliver.
Therefore, the physical distribution network for products sold over the internet corresponds to the distribution channel through which the company will pick up the orders placed and deliver them properly to the consumer.
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