Answer:A. Channel of distribution
Explanation:Channel of distribution refers to those people, institutions or merchants who help in the distribution of goods and services. Philips Kotler defines channel of distribution as “a set of independent organisations involved in the process of making a product or service available for use or consumption”.
Channels of distribution bring economy of effort. They help to cover a vast geographical area and also bring efficiency in distribution including transportation and warehousing. Retailers, Wholesalers are the common channels of distribution.
Channels of distribution provide convenience to customer, who can get various items at one store. If there were no channels of distribution, customer would have faced a lot of difficulties.