U be the set of furniture stores A be the set of all furniture stores that sell indoor furniture B be the set of all furniture stores that sell mattresses and C be the set of all furniture stow cal furniture Describe the set B UC in words oose the correct answer from below A The set of all furniture stores that sell mattresses and metal furniture B The set of all fumiture stores that sell mattresses or metal furniture C The set of all furniture stores that sell mattresses D The set of all fumiture stores that sell metal furniture