How does a marketing channel differ from a supply chain?

Select ALL that applies. You may select more than one.

Question $1$ options:

If a software maker hires a company in India to help it write a computer program, the Indian company is part of the supply chain but not a part of the marketing channel.

Marketing channels extend all the way back to the manufacturers of raw inputs that are used in the production of the good but supply chains do not.

Marketing channels of high tech products are more cost efficient than supply chains of high tech products.

Supply chain includes producers of the raw materials that go into a product but marketing channel does not.

A supply chain usually contain more members$/$organizations than a marketing