OneOfFew Inc. is operating in a monopolistically competitive
market faces demand and marginal revenue curves as given below: P =
10 - 0.1Q MR = 10 - 0.2Q The firm's total and marginal cost curves
are: TC = - 10Q + 0.0333Q3 + 130 MC = -10 + 0.0999Q2, where P is in
dollars per unit, output rate Q is in units per time period, and
total cost C is in dollars.
If P= $8.68 and OneOfFew produces Q=13.17, what is the
Lerner index of monopoly power for OneOfFew Inc?