${?}_{{?}_{{?}_{?}}{?}_{,}\text{s}\text{u}\text{c}\text{h}as\text{J}\text{u}\text{s}\text{c}\text{o}\text{,}\text{p}\text{r}\text{o}\text{v}\text{i}\text{d}\text{e}\text{m}\text{o}\text{r}\text{e}\text{s}\text{a}\text{l}\text{e}\text{s}assistance\text{b}\text{e}\text{c}\text{a}\text{u}\text{s}\text{e}\text{t}\text{h}\text{e}\text{y}\text{c}\text{a}\text{r}\text{r}\text{y}\text{m}\text{o}\text{r}\text{e}\text{s}\text{h}\text{o}\text{p}\text{p}\text{i}\text{n}\text{g}}$

goods about which customers need information. Their increased operating costs result

$in$ higher prices.

$A.$ Self$-$service retailers

$B.$ Full$-$service retailers

$C.$ Off$-$price retailers

$D.$ Limited$-$service retailers