Answer:
b. Indirect channel
Step-by-step explanation:
From the question we are informed about shoe manufacturer who sells high-end designer shoes to wholesalers who, in turn, sell a variety of shoes and other leather accessories to various retail outlets. In this case, channels of distribution the shoe manufacturer was using is Indirect channel.
An indirect distribution channel can be regarded as distribution channel that depends intermediaries so they can carry out most of their required distribution functions, It can also be reffered to as wholesale distribution. In this channel there must be a party that must be
entrusted with the product of the manufacturer as well as customer interaction which is the most challenging part.