3.In each of the following situations, why are firms likely to benefit from vertical integration?(1 point each)

a.Agrain elevatoris located at the terminus of arail line.

b.Amanufacturerof a product with a national brand-name reputation usesdistributorsthat arrange for advertising and promotional activities in local markets.

c.Abiotech firmdevelops a new product that will be produced, tested, and distributed by an established pharmaceutical company.