the importance of using marketing activities to match the competitive position of an organisation with the environment it serves, understand the various elements of a SLEPT analysis. Edition 8 : This case study focuses on the Yellow Bus concept and how First is introducing them to the UK. Launching the service in the UK has been made easier by the existing brand recognition and by the strong positive image nurtured through years of exposure in American films and TV series. Edition 8 : This case study focuses on the use of environmental taxes, and the important role played by HM Customs & Excise in administering these taxes in support of the UK government's hopes and plans for environmental improvement. Edition 7 : This case study illustrates how HM Customs & Excise, one of the oldest UK government departments, works supportively with small businesses by helping them to understand various laws and account for Value Added Tax (VAT) correctly and efficiently. Edition 9 : As a result of carefully reading the Case Study, students should be able to: define the term budget and explain the purpose of budgeting, outline the importance of identifying major variances and taking remedial actions, list the advantages and disadvantages of budgeting. Investment appraisal in business Edition 17 : This case study examines one major wastewater quality improvement investment made by United Utilities. It shows how important non-financial considerations, such as the impact on the environment, were in arriving at the best decision. Edition 16 : This