The gross domestic product (GDP) of the United States is defined as the all in a given period of time. Based on this definition, indicate which of the following transactions will be included in (that is, directly increase) the GDP of the United States in 2018. Scenario 2018 GDP Included Excluded Athleticus, a U. S. shoe company, produces a pair of sneakers at a plant in Vietnam on March 4, 2018. Athleticus imports the pair of sneakers into the United States on May 12, 2018. Rotato, a U. S. tire company, produces a set of tires at a plant in Michigan on September 23, 2018. It sells the set of tires to Speedmaster for use in the production of a two-door coupe that will be made in the United States in 2018. (Note: Focus exclusively on whether production of the set of tires increases GDP directly, and ignore the effect of production of the two-door coupe on GDP.) Chocolate Express, a Swiss chocolate company, produces a chocolate bar at a plant in Illinois on December 5, 2018. An elementary school student buys the chocolate bar on December 30. Zippycar, a U. S. automobile company, produces a convertible at a manufacturing plant in Minneapolis on January 18, 2018. It sells the car at a dealership in San Diego on February 5, 2018. An accountant starts a client's 2018 tax return on April 14, 2019, finishing it just before midnight on April 15, 20