Use the interactive points to locate the point of critical mass and equilibrium for a hypothetical network good, the questions that follow. Price ($) 50 45 Critical mass Equilibrium 40 40 35 30 25 20 15 10 5 Marginal cost Demand 0 0 10 20 30 40 50 60 70 80 90 100 Quantity of users (in thousands)

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A: Referenceshttps://www.sciencedirect.com/topics/mathematics/lagrangian-function