“The higher prices Horizon would be forced to pay would have a tremendous negative impact on U.S. consumers. Horizon could absorb only a portion of the increased costs, and the rest would be passed on to the consumer. These are not high-priced items, but rather educational toys and tools that have an average cost of approximately $5.00. More l likely than not, the imposition of tariffs forces the company to face the very real possibility that after 100 plus years it will be forced out of business.”