Explain the advantages and disadvantages of movement by land as compared to movement by air. (10 marks) b) Under what conditions, it is recommended to ship your cargo using air freight. Support your answer using volume, speed of delivery and cost framework. (5 marks) c) Datuk Steven is considering using a Third Party Logistics (3PL) company to distribute his company's electrical products in Sabah and Sarawak. Explain three advantages and disadvantages of using 3PL companies