Susie's Pets and Supplies, a Retail Shop That Sells Pets

Susie's Pets and Supplies, a retail shop that sells pets and many related products needed by those pets, has recently reorganized. One area of the store is exclusively for dogs, another exclusively for cats, another exclusively for tropical fish, and so on. The shop is departmentalized by

A) process.
B) function.
C) geography.
D) customer.
E) product.