${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}\text{a}\text{r}\text{e}\text{g}\text{r}\text{o}\text{u}\text{p}\text{s}of\text{p}\text{e}\text{o}\text{p}\text{l}\text{e}\text{w}\text{i}\text{t}\text{h}\text{i}\text{n}\text{o}\text{r}\text{g}\text{a}\text{n}\text{i}\text{z}\text{a}\text{t}\text{i}\text{o}\text{n}\text{s}\text{w}\text{h}\text{o}\text{m}\text{a}\text{k}\text{e}purchasing\text{d}\text{e}\text{c}\text{i}\text{s}\text{i}\text{o}\text{n}\text{s}\text{.}}$

Group $of$ answer choices

Resellers

Buying centers

Producers

Wholesalers

Marketers