$30)$ Which statement about fragmented retail systems is true?

A$)$ Countries with fragmented retail systems tend to have short channels of distribution.

B$)$ The more fragmented the retail system, the less expensive it is for a firm to make contact with each individual retailer.

C$)$ Fragmented retail systems tend to promote the growth of wholesalers to serve retailers.

D$)$ When the retail sector is very fragmented, it makes sense for the firm to deal directly with retailers