Williams$-$Sonoma is a specialty store that caters to customers who like to coc at home. It offers free cooking classes, has frequent demonstrations by cookbook authors, and has employees who are knowledgeable about food preparation. The sales staff helps customers make their selections. WilliamsSonoma is $a(n)$ retailer.

exclusive$-$service

full$-$service

upscale$-$service

self$-$service

limited$-$service