Myla works for Siemen's, a global company based in Germany, which has a subsidy in the U.S. Siemen's develops and sells complex engineering products in healthcare, industry, and energy. Myla is a specialist in a new type of hearing aid, and the company would like to send her to its New York subsidy to train its staff on how the device operates and how it can be repaired. Myla will also work with the management team to determine a marketing plan for the new device. It is estimated that this work will take nine months and then Myla will return to Germany. What type of visa will Myla apply for