4. You are planning to quit your job and open a coffee shop by using knowledge you learn from SUFE MBA program. (a) Analyze market structure of coffee shop business. (Hint: can start from the conditions for perfect competition.) (b) What is your opportunity cost of opening this coffee shop? Should you take it into account when deciding whether to open the shop? (c) You have spent 260,000 on your MBA education. One reason you plan to start your own business is that you do not think your current job needs the knowledge you learn from your MBA program. Does this though make sense? (d) List fixed cost items and variable cost items (two for each at least) when running the shop. (e) What condition needs to be satisfied when you decide to enter this business? If you have already opened the shop, what condition needs to be satisfied to continue in business in the short run? (f) How can you increase the profit? (g) You notice there is some Internet celebrity coffee shop, where devoted fans even spend long time waiting in line for a cup of coffee. Due to limited supply, some customers cannot buy the coffee at all. In this situation, what conditions for economic efficiency might not be satisfied? How can we improve economic efficiency?