You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Category: LET'S GET DOWN TO BUSINESS 
Clue: I can get it for you wholesale at this warehouse chain that merged with Price Club in 1993
costco

Category: CURRENT EXPRESSIONS 
Clue: If you're engaging in wishful thinking, you may want to perform this type of "check"
a reality check

Category: ANIMALS 
Clue: The largest & heaviest New World monkey, its characteristic roar can be heard for about 2 miles

howler monkey