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BIUXX The private tutoring industry consists of 100 identical tutoring companies, each with a marginal cost curve represented by MMMM = 120 + 200, where Q represents the number of private tutoring lessons offered. 3.1. Derive the industry supply curve for private tutoring lessons. [3] 3.2. If the demand for tutoring lessons is represented by PP = 250 - 400, how many tutorial sessions are consumed at equilibrium? [3] 3.3. Calculate the aggregate consumer and producer surplus at market equilibrium and discuss the meaning of these terms. [4] O