6. Jack's Hotdogs is a small street vendor business. The owner is trying to get a better under-
standing of his costs by categorizing thern as fixed or variable. Which of the following costs are
most likely to be considered fixed costs?
(A)the cost of ketchup
(B) the cost of hotdog buns
(C) wages paid to workers who sell hot dogs
(D) the cost of bookkeeping services