After completing a course in Travel and Tourism, Vaibhav started his own travel agency. In order to ensure smooth functioning of his business, he decided to create fourteen job positions divided into four departments on the basis of functions namely front office department, including online query, reservation department, accommodation booking department and securing payment department. In order to avoid conflicts, he clearly assigned the line of authority and area of responsibilities for each job position.(a) Which function of management is being described in the above lines?(b) Identify the framework created by Vaibhav.(c) Name the type of framework created by Vaibhav.(d) Give two advantages of that frame work.