Read this: Mexico has a large number of department stores based in Mexico, of which the most traditional are El Palacio de Hierro (High end and luxury goods) and Liverpool (Upper-middle income), with its middle income sister store Fabricas de Francia. Sanborns owns over 100 middle income level stores throughout the country. Grupo Carso operates Sears Mexico and two high-end Saks 5th Avenue stores. Other large chains are Coppel and Elektra, which offer items for the bargain price seeker. Wal-Mart operates Suburbia for lower income shoppers, along with stores under the brand names of Wal-Mart, Bodega Aurrera, and Superama.

What chains typically don't cater to bargain shoppers? 
What is the answer? (If it cannot be answered, return "unanswerable")
unanswerable