[Language-Science Kits] The president of Kool Science, Inc., which makes educational science kits for children, calls the president of Language Fun, Inc., which makes foreign language learning materials for children. They discuss production of three educational toys which teach both science and foreign language to children. They agree that Kool will work with Language to create and market the three toys, and that they will use Kool's manufacturer to produce the product. What type of business organization is best suited for the situation of Kool Science and Language Fun?