Bookcafe is a book distributor company established in 2008 and join online business in 2014. There are several challenges faced by the Bookcafe throughout their journey with online business. According to the managing director of the Bookcafe, they have to handle various types of books from many publishers that make it difficult for them to remember everything, thus they only focus on the bestsellers, and the evergreen books. They also have to compete with the book fairs that offer high discounts. Despite the tough market situation, Bookcafe still maintain their sales specifically for school publication as the government is renewing the school syllabus. They also invested in setting up an exhibition team to run events and sell books using book trucks going around schools and mosque. In order to maintain in the book industry, the Bookcafe not only rely with marketing department but also rely on the customer service. Many customers prefer private messages, and ATM banking as they still do not trust online order and online payments. Hence, the customer service team in Bookcafe is assigned to educate many of these first- time online shoppers. On the other hand, there is a dropship program made available by Bookcafe, which allows dropship agents to earn sales commissions. Bookcafe also invests around 10% from its monthly revenue on Google AdWords and Facebook advertisements to maintain their sales. a) Based on the above case study, evaluate and justify the FOUR (4) elements of business model used by Bookcafe. Provide an example of each. (16 marks) b) Recommend ONE (1) possible business model and ONE (1) possible revenue model for Bookcafe. (4 marks)