{UBIIUIIIIIIHLUIL 1. The fourfirm concentration ratio is 46.5. Calculate the HHI using the HHI fonnula. Based on Table 2, what is the market structure of the tattoo industry? (Perfect, monopoly, monopolistic, oligopoly) 2. What would the market structure of the tattoo industry be if each firm operated in a different city and the cities were spread across the nation (Hint: keep in mind there are only 50 rms in the industry) 3. What additional information would you need about the tattoo industry to be sure that it is an example of monopolistic competition? 4. Suppose that a new tattoo technology makes it easier for anyone to enter the tattoo market. How might the market structure change