John owns a number of hot dog stands in new york city. he hires workers to sell hot dogs at his stands. which of the following events will lead to a decrease in john's demand for hot dog vendors? a. hollywood glamorization of a new movie about a hot dog vendor leads hundreds of high-school students in new york city to apply for a job at john's. b. the price of hot dogs falls. c. the local hot dog vendors form a union increasing hot dog vendor wages. d. the demand curve for hot dogs shifts to the right.