Give answers to the following questions: i. Why is business travel becoming more commonplace and important? ii. What are the benefits of using a travel agent? iii. Explain some of the advantages and disadvantages of business travel by plane. iv. What is the purpose and value of a vision statement? 2. List the information the PA/secretary needs to gather before making travel arrangements. Explain why each considering is important. 3. From the perspective of a PA, produce a step-by-step plan for organising an international trip for your employer, including the question you'll need to ask along the way.